38123699604 has 24 divisors (see below), whose sum is σ = 90081317760. Its totient is φ = 12547040064.

The previous prime is 38123699587. The next prime is 38123699609. The reversal of 38123699604 is 40699632183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38123699609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20106489 + ... + 20108384.

It is an arithmetic number, because the mean of its divisors is an integer number (3753388240).

Almost surely, 2^38123699604 is an apocalyptic number.

It is an amenable number.

38123699604 is an abundant number, since it is smaller than the sum of its proper divisors (51957618156).

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

38123699604 is a wasteful number, since it uses less digits than its factorization.

38123699604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40214959 (or 40214957 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 38123699604 in words is "thirty-eight billion, one hundred twenty-three million, six hundred ninety-nine thousand, six hundred four".