18741904012 has 24 divisors (see below), whose sum is σ = 35369539856. Its totient is φ = 8638291008.

The previous prime is 18741904001. The next prime is 18741904063. The reversal of 18741904012 is 21040914781.

It is a super-2 number, since 2×18741904012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207738 + ... + 283969.

Almost surely, 2^18741904012 is an apocalyptic number.

It is an amenable number.

18741904012 is a deficient number, since it is larger than the sum of its proper divisors (16627635844).

18741904012 is a wasteful number, since it uses less digits than its factorization.

18741904012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492457 (or 492455 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 18741904012 in words is "eighteen billion, seven hundred forty-one million, nine hundred four thousand, twelve".