18796513684 has 12 divisors (see below), whose sum is σ = 35424198964. Its totient is φ = 8675313984.

The previous prime is 18796513661. The next prime is 18796513693. The reversal of 18796513684 is 48631569781.

It can be written as a sum of positive squares in 2 ways, for example, as 2811968784 + 15984544900 = 53028^2 + 126430^2 .

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, 180735657 + ... + 180735760.

Almost surely, 2^18796513684 is an apocalyptic number.

It is an amenable number.

18796513684 is a deficient number, since it is larger than the sum of its proper divisors (16627685280).

18796513684 is a wasteful number, since it uses less digits than its factorization.

18796513684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361471434 (or 361471432 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The spelling of 18796513684 in words is "eighteen billion, seven hundred ninety-six million, five hundred thirteen thousand, six hundred eighty-four".