ॐ नमो हनुमते रुद्रावताराय पंचवदनाय दक्षिण मुखे Hanuman is usually thought to be a "Chiranjivi," which implies an immortal currently being or 1 who life eternally in Hindu mythology. This status for a Chiranjivi is attributed to his special and divine qualities. Here is an evidence of Hanuman's Chiranjivi status: https://www.instagram.com/p/DFWTy0gvMKk/