38715093912 has 32 divisors (see below), whose sum is σ = 105586620480. Its totient is φ = 11731846560.

The previous prime is 38715093883. The next prime is 38715093913. The reversal of 38715093912 is 21939051783.

It is a super-2 number, since 2×38715093912² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38715093913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73323778 + ... + 73324305.

It is an arithmetic number, because the mean of its divisors is an integer number (3299581890).

Almost surely, 2^38715093912 is an apocalyptic number.

It is an amenable number.

38715093912 is an abundant number, since it is smaller than the sum of its proper divisors (66871526568).

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

38715093912 is a wasteful number, since it uses less digits than its factorization.

38715093912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146648103 (or 146648099 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 38715093912 in words is "thirty-eight billion, seven hundred fifteen million, ninety-three thousand, nine hundred twelve".