18529993104 has 40 divisors (see below), whose sum is σ = 54707599680. Its totient is φ = 5294283648.

The previous prime is 18529993093. The next prime is 18529993109. The reversal of 18529993104 is 40139992581.

It is not an unprimeable number, because it can be changed into a prime (18529993109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27574059 + ... + 27574730.

It is an arithmetic number, because the mean of its divisors is an integer number (1367689992).

Almost surely, 2^18529993104 is an apocalyptic number.

18529993104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18529993104 is an abundant number, since it is smaller than the sum of its proper divisors (36177606576).

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

18529993104 is a wasteful number, since it uses less digits than its factorization.

18529993104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55148807 (or 55148801 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The spelling of 18529993104 in words is "eighteen billion, five hundred twenty-nine million, nine hundred ninety-three thousand, one hundred four".