18904853492 has 12 divisors (see below), whose sum is σ = 37809707040. Its totient is φ = 8102080056.

The previous prime is 18904853489. The next prime is 18904853503. The reversal of 18904853492 is 29435840981.

18904853492 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337586642 + ... + 337586697.

It is an arithmetic number, because the mean of its divisors is an integer number (3150808920).

Almost surely, 2^18904853492 is an apocalyptic number.

It is an amenable number.

18904853492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18904853492 is a wasteful number, since it uses less digits than its factorization.

18904853492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675173350 (or 675173348 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 18904853492 in words is "eighteen billion, nine hundred four million, eight hundred fifty-three thousand, four hundred ninety-two".