93438113894931 has 32 divisors (see below), whose sum is σ = 135108304576000. Its totient is φ = 57437805638304.

The previous prime is 93438113894903. The next prime is 93438113894947. The reversal of 93438113894931 is 13949831183439.

It is not a de Polignac number, because 93438113894931 - 2²⁵ = 93438080340499 is a prime.

It is a super-2 number, since 2×93438113894931² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93438113894971) 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, 1655941 + ... + 13770198.

It is an arithmetic number, because the mean of its divisors is an integer number (4222134518000).

Almost surely, 2^{93438113894931} is an apocalyptic number.

93438113894931 is a deficient number, since it is larger than the sum of its proper divisors (41670190681069).

93438113894931 is a wasteful number, since it uses less digits than its factorization.

93438113894931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15427100 (or 15427074 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 66.

The spelling of 93438113894931 in words is "ninety-three trillion, four hundred thirty-eight billion, one hundred thirteen million, eight hundred ninety-four thousand, nine hundred thirty-one".