18363009392 has 40 divisors (see below), whose sum is σ = 43788718176. Its totient is φ = 7264486656.

The previous prime is 18363009383. The next prime is 18363009419. The reversal of 18363009392 is 29390036381.

It is a super-2 number, since 2×18363009392² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6304523 + ... + 6307434.

Almost surely, 2^18363009392 is an apocalyptic number.

It is an amenable number.

18363009392 is an abundant number, since it is smaller than the sum of its proper divisors (25425708784).

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

18363009392 is a wasteful number, since it uses less digits than its factorization.

18363009392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611985 (or 12611979 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 18363009392 in words is "eighteen billion, three hundred sixty-three million, nine thousand, three hundred ninety-two".