18379636692 has 48 divisors (see below), whose sum is σ = 43062301632. Its totient is φ = 6101372160.

The previous prime is 18379636679. The next prime is 18379636711. The reversal of 18379636692 is 29663697381.

It is a super-2 number, since 2×18379636692² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7011142 + ... + 7013762.

It is an arithmetic number, because the mean of its divisors is an integer number (897131284).

Almost surely, 2^18379636692 is an apocalyptic number.

18379636692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18379636692 is an abundant number, since it is smaller than the sum of its proper divisors (24682664940).

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

18379636692 is a wasteful number, since it uses less digits than its factorization.

18379636692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808 (or 4806 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 60.

The spelling of 18379636692 in words is "eighteen billion, three hundred seventy-nine million, six hundred thirty-six thousand, six hundred ninety-two".