49137826956 has 12 divisors (see below), whose sum is σ = 114654929592. Its totient is φ = 16379275648.

The previous prime is 49137826931. The next prime is 49137826993. The reversal of 49137826956 is 65962873194.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 49137826956.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047409445 + ... + 2047409468.

It is an arithmetic number, because the mean of its divisors is an integer number (9554577466).

Almost surely, 2^49137826956 is an apocalyptic number.

It is an amenable number.

49137826956 is an abundant number, since it is smaller than the sum of its proper divisors (65517102636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49137826956 is a wasteful number, since it uses less digits than its factorization.

49137826956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094818920 (or 4094818918 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 49137826956 in words is "forty-nine billion, one hundred thirty-seven million, eight hundred twenty-six thousand, nine hundred fifty-six".