49909619179 has 32 divisors (see below), whose sum is σ = 59818590720. Its totient is φ = 40737725952.

The previous prime is 49909619171. The next prime is 49909619183. The reversal of 49909619179 is 97191690994.

It is not a de Polignac number, because 49909619179 - 2³ = 49909619171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49909619179.

It is not an unprimeable number, because it can be changed into a prime (49909619171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11505699 + ... + 11510035.

It is an arithmetic number, because the mean of its divisors is an integer number (1869330960).

Almost surely, 2^49909619179 is an apocalyptic number.

49909619179 is a deficient number, since it is larger than the sum of its proper divisors (9908971541).

49909619179 is a wasteful number, since it uses less digits than its factorization.

49909619179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139.

The product of its (nonzero) digits is 9920232, while the sum is 64.

The spelling of 49909619179 in words is "forty-nine billion, nine hundred nine million, six hundred nineteen thousand, one hundred seventy-nine".