93542239431 has 18 divisors (see below), whose sum is σ = 138331913928. Its totient is φ = 60911214840.

The previous prime is 93542239403. The next prime is 93542239457. The reversal of 93542239431 is 13493224539.

It is not a de Polignac number, because 93542239431 - 2⁷ = 93542239303 is a prime.

It is a super-2 number, since 2×93542239431² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93542239471) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2793955 + ... + 2827236.

Almost surely, 2^93542239431 is an apocalyptic number.

93542239431 is a deficient number, since it is larger than the sum of its proper divisors (44789674497).

93542239431 is a wasteful number, since it uses less digits than its factorization.

93542239431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621283 (or 5621237 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 93542239431 in words is "ninety-three billion, five hundred forty-two million, two hundred thirty-nine thousand, four hundred thirty-one".