18853733900 has 36 divisors (see below), whose sum is σ = 40930942752. Its totient is φ = 7538112960.

The previous prime is 18853733893. The next prime is 18853733917. The reversal of 18853733900 is 933735881.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188189 + ... + 270411.

It is an arithmetic number, because the mean of its divisors is an integer number (1136970632).

Almost surely, 2^18853733900 is an apocalyptic number.

18853733900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18853733900 is an abundant number, since it is smaller than the sum of its proper divisors (22077208852).

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

18853733900 is a wasteful number, since it uses less digits than its factorization.

18853733900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84530 (or 84523 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 18853733900 in words is "eighteen billion, eight hundred fifty-three million, seven hundred thirty-three thousand, nine hundred".