18792321364 has 24 divisors (see below), whose sum is σ = 33008673600. Its totient is φ = 9361331520.

The previous prime is 18792321343. The next prime is 18792321409. The reversal of 18792321364 is 46312329781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365759 + ... + 1379449.

It is an arithmetic number, because the mean of its divisors is an integer number (1375361400).

Almost surely, 2^18792321364 is an apocalyptic number.

It is an amenable number.

18792321364 is a deficient number, since it is larger than the sum of its proper divisors (14216352236).

18792321364 is a wasteful number, since it uses less digits than its factorization.

18792321364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14943 (or 14941 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The spelling of 18792321364 in words is "eighteen billion, seven hundred ninety-two million, three hundred twenty-one thousand, three hundred sixty-four".