18735149996848 has 20 divisors (see below), whose sum is σ = 36301003546648. Its totient is φ = 9367149081600.

The previous prime is 18735149996837. The next prime is 18735149996881. The reversal of 18735149996848 is 84869994153781.

It is a super-2 number, since 2×18735149996848² (a number of 27 digits) contains 22 as substring.

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, 26256753 + ... + 26960848.

Almost surely, 2^{18735149996848} is an apocalyptic number.

It is an amenable number.

18735149996848 is a deficient number, since it is larger than the sum of its proper divisors (17565853549800).

18735149996848 is a wasteful number, since it uses less digits than its factorization.

18735149996848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53239612 (or 53239606 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 82.

The spelling of 18735149996848 in words is "eighteen trillion, seven hundred thirty-five billion, one hundred forty-nine million, nine hundred ninety-six thousand, eight hundred forty-eight".