Jami` at-Tirmidhi 3621
جامع الترمذي#3621Sahihحَدَّثَنَا مُحَمَّدُ بْنُ إِسْمَاعِيلَ، حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ هِشَامِ بْنِ حَسَّانَ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ أُنْزِلَ عَلَى رَسُولِ اللَّهِ صلى الله عليه وسلم وَهُوَ ابْنُ أَرْبَعِينَ فَأَقَامَ بِمَكَّةَ ثَلاَثَ عَشْرَةَ وَبِالْمَدِينَةِ عَشْرًا وَتُوُفِّيَ وَهُوَ ابْنُ ثَلاَثٍ وَسِتِّينَ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ .
Narrated Ibn 'Abbas:"The Messenger of Allah (ﷺ) received Revelation when he was forty years old. So he stayed in Makkah for thirteen years and in Al-Madinah for ten. And he died when he was sixty-three years old
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 49:17