38793389509 has 16 divisors (see below), whose sum is σ = 44882899200. Its totient is φ = 32841604224.

The previous prime is 38793389501. The next prime is 38793389563. The reversal of 38793389509 is 90598339783.

It is a cyclic number.

It is not a de Polignac number, because 38793389509 - 2³ = 38793389501 is a prime.

It is a super-2 number, since 2×38793389509² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38793389501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538659 + ... + 606415.

It is an arithmetic number, because the mean of its divisors is an integer number (2805181200).

Almost surely, 2^38793389509 is an apocalyptic number.

It is an amenable number.

38793389509 is a deficient number, since it is larger than the sum of its proper divisors (6089509691).

38793389509 is an equidigital number, since it uses as much as digits as its factorization.

38793389509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68772.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 38793389509 in words is "thirty-eight billion, seven hundred ninety-three million, three hundred eighty-nine thousand, five hundred nine".