38399979159 has 6 divisors (see below), whose sum is σ = 55466636576. Its totient is φ = 25599986100.

The previous prime is 38399979097. The next prime is 38399979193. The reversal of 38399979159 is 95197999383.

38399979159 is a `hidden beast` number, since 383 + 9 + 9 + 97 + 9 + 159 = 666.

38399979159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38399979159 - 2²⁹ = 37863108247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38399979259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2133332167 + ... + 2133332184.

Almost surely, 2^38399979159 is an apocalyptic number.

38399979159 is a deficient number, since it is larger than the sum of its proper divisors (17066657417).

38399979159 is a wasteful number, since it uses less digits than its factorization.

38399979159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266664357 (or 4266664354 counting only the distinct ones).

The product of its digits is 148803480, while the sum is 72.

The spelling of 38399979159 in words is "thirty-eight billion, three hundred ninety-nine million, nine hundred seventy-nine thousand, one hundred fifty-nine".