38942599499 has 4 divisors (see below), whose sum is σ = 41233340664. Its totient is φ = 36651858336.

The previous prime is 38942599483. The next prime is 38942599517. The reversal of 38942599499 is 99499524983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99499524983 = 16729 ⋅5947727.

It is a cyclic number.

It is not a de Polignac number, because 38942599499 - 2⁴ = 38942599483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38942599469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145370557 + ... + 1145370590.

It is an arithmetic number, because the mean of its divisors is an integer number (10308335166).

Almost surely, 2^38942599499 is an apocalyptic number.

38942599499 is a deficient number, since it is larger than the sum of its proper divisors (2290741165).

38942599499 is a wasteful number, since it uses less digits than its factorization.

38942599499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290741164.

The product of its digits is 226748160, while the sum is 71.

The spelling of 38942599499 in words is "thirty-eight billion, nine hundred forty-two million, five hundred ninety-nine thousand, four hundred ninety-nine".