18792138996 has 30 divisors (see below), whose sum is σ = 49126364210. Its totient is φ = 6264046224.

The previous prime is 18792138991. The next prime is 18792139001. The reversal of 18792138996 is 69983129781.

18792138996 is a `hidden beast` number, since 1 + 87 + 92 + 1 + 389 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (18792138991) and next prime (18792139001).

It can be written as a sum of positive squares in only one way, i.e., 12016544400 + 6775594596 = 109620^2 + 82314^2 .

18792138996 is a modest number, since divided by 138996 gives 18792 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18792138991) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 28999891 + ... + 29000538.

Almost surely, 2^18792138996 is an apocalyptic number.

It is an amenable number.

18792138996 is an abundant number, since it is smaller than the sum of its proper divisors (30334225214).

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

18792138996 is a wasteful number, since it uses less digits than its factorization.

18792138996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58000445 (or 58000434 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 18792138996 in words is "eighteen billion, seven hundred ninety-two million, one hundred thirty-eight thousand, nine hundred ninety-six".