18129025704 has 32 divisors (see below), whose sum is σ = 45771308640. Its totient is φ = 5983176000.

The previous prime is 18129025699. The next prime is 18129025727. The reversal of 18129025704 is 40752092181.

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, 3737062 + ... + 3741909.

It is an arithmetic number, because the mean of its divisors is an integer number (1430353395).

Almost surely, 2^18129025704 is an apocalyptic number.

It is an amenable number.

18129025704 is an abundant number, since it is smaller than the sum of its proper divisors (27642282936).

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

18129025704 is a wasteful number, since it uses less digits than its factorization.

18129025704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479081 (or 7479077 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 18129025704 in words is "eighteen billion, one hundred twenty-nine million, twenty-five thousand, seven hundred four".