3957759901916 has 6 divisors (see below), whose sum is σ = 6926079828360. Its totient is φ = 1978879950956.

The previous prime is 3957759901883. The next prime is 3957759902021. The reversal of 3957759901916 is 6191099577593.

It is a self number, because there is not a number n which added to its sum of digits gives 3957759901916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494719987736 + ... + 494719987743.

It is an arithmetic number, because the mean of its divisors is an integer number (1154346638060).

Almost surely, 2^{3957759901916} is an apocalyptic number.

It is an amenable number.

3957759901916 is a deficient number, since it is larger than the sum of its proper divisors (2968319926444).

3957759901916 is a wasteful number, since it uses less digits than its factorization.

3957759901916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989439975483 (or 989439975481 counting only the distinct ones).

The product of its (nonzero) digits is 144670050, while the sum is 71.

The spelling of 3957759901916 in words is "three trillion, nine hundred fifty-seven billion, seven hundred fifty-nine million, nine hundred one thousand, nine hundred sixteen".