18798807932 has 6 divisors (see below), whose sum is σ = 32897913888. Its totient is φ = 9399403964.

The previous prime is 18798807883. The next prime is 18798807943. The reversal of 18798807932 is 23970889781.

It is a super-2 number, since 2×18798807932² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2349850988 + ... + 2349850995.

It is an arithmetic number, because the mean of its divisors is an integer number (5482985648).

Almost surely, 2^18798807932 is an apocalyptic number.

It is an amenable number.

18798807932 is a deficient number, since it is larger than the sum of its proper divisors (14099105956).

18798807932 is a wasteful number, since it uses less digits than its factorization.

18798807932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699701987 (or 4699701985 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 62.

The spelling of 18798807932 in words is "eighteen billion, seven hundred ninety-eight million, eight hundred seven thousand, nine hundred thirty-two".