938131479504 has 40 divisors (see below), whose sum is σ = 2692784803520. Its totient is φ = 312710493024.

The previous prime is 938131479457. The next prime is 938131479517. The reversal of 938131479504 is 405974131839.

938131479504 is a `hidden beast` number, since 9 + 38 + 1 + 31 + 4 + 79 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085799892 + ... + 1085800755.

It is an arithmetic number, because the mean of its divisors is an integer number (67319620088).

Almost surely, 2^938131479504 is an apocalyptic number.

It is an amenable number.

938131479504 is an abundant number, since it is smaller than the sum of its proper divisors (1754653324016).

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

938131479504 is a wasteful number, since it uses less digits than its factorization.

938131479504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171600664 (or 2171600652 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 938131479504 in words is "nine hundred thirty-eight billion, one hundred thirty-one million, four hundred seventy-nine thousand, five hundred four".