18950793900 has 72 divisors (see below), whose sum is σ = 54887153664. Its totient is φ = 5048366400.

The previous prime is 18950793889. The next prime is 18950793929. The reversal of 18950793900 is 939705981.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265429 + ... + 329171.

Almost surely, 2^18950793900 is an apocalyptic number.

18950793900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18950793900 is an abundant number, since it is smaller than the sum of its proper divisors (35936359764).

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

18950793900 is a wasteful number, since it uses less digits than its factorization.

18950793900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64751 (or 64744 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 18950793900 in words is "eighteen billion, nine hundred fifty million, seven hundred ninety-three thousand, nine hundred".