38931102722 has 54 divisors (see below), whose sum is σ = 64474497243. Its totient is φ = 17626272384.

The previous prime is 38931102719. The next prime is 38931102797. The reversal of 38931102722 is 22720113983.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 31084863481 + 7846239241 = 176309^2 + 88579^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=139519.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 137565593 + ... + 137565875.

Almost surely, 2^38931102722 is an apocalyptic number.

38931102722 is a deficient number, since it is larger than the sum of its proper divisors (25543394521).

38931102722 is an equidigital number, since it uses as much as digits as its factorization.

38931102722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 38931102722 in words is "thirty-eight billion, nine hundred thirty-one million, one hundred two thousand, seven hundred twenty-two".