49109086617 has 16 divisors (see below), whose sum is σ = 72344845440. Its totient is φ = 29473824512.

The previous prime is 49109086597. The next prime is 49109086619. The reversal of 49109086617 is 71668090194.

It is a happy number.

49109086617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49109086617 - 2⁸ = 49109086361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 49109086617.

It is not an unprimeable number, because it can be changed into a prime (49109086619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20931942 + ... + 20934287.

It is an arithmetic number, because the mean of its divisors is an integer number (4521552840).

Almost surely, 2^49109086617 is an apocalyptic number.

It is an amenable number.

49109086617 is a deficient number, since it is larger than the sum of its proper divisors (23235758823).

49109086617 is a wasteful number, since it uses less digits than its factorization.

49109086617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41866272.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 49109086617 in words is "forty-nine billion, one hundred nine million, eighty-six thousand, six hundred seventeen".