100957672391 has 16 divisors (see below), whose sum is σ = 106401558528. Its totient is φ = 95606464800.

The previous prime is 100957672381. The next prime is 100957672393. The reversal of 100957672391 is 193276759001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100957672391 is a prime.

It is a super-2 number, since 2×100957672391² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100957672393) 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, 872465 + ... + 981381.

It is an arithmetic number, because the mean of its divisors is an integer number (6650097408).

Almost surely, 2^100957672391 is an apocalyptic number.

100957672391 is a deficient number, since it is larger than the sum of its proper divisors (5443886137).

100957672391 is a wasteful number, since it uses less digits than its factorization.

100957672391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109342.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 100957672391 in words is "one hundred billion, nine hundred fifty-seven million, six hundred seventy-two thousand, three hundred ninety-one".