18812585496 has 16 divisors (see below), whose sum is σ = 47031463800. Its totient is φ = 6270861824.

The previous prime is 18812585489. The next prime is 18812585521. The reversal of 18812585496 is 69458521881.

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, 391928841 + ... + 391928888.

Almost surely, 2^18812585496 is an apocalyptic number.

It is an amenable number.

18812585496 is an abundant number, since it is smaller than the sum of its proper divisors (28218878304).

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

18812585496 is a wasteful number, since it uses less digits than its factorization.

18812585496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783857738 (or 783857734 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 57.

The spelling of 18812585496 in words is "eighteen billion, eight hundred twelve million, five hundred eighty-five thousand, four hundred ninety-six".