18029970478608 has 80 divisors (see below), whose sum is σ = 52563863822400. Its totient is φ = 5275226467840.

The previous prime is 18029970478603. The next prime is 18029970478609. The reversal of 18029970478608 is 80687407992081.

It is not an unprimeable number, because it can be changed into a prime (18029970478603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588737643 + ... + 588768266.

It is an arithmetic number, because the mean of its divisors is an integer number (657048297780).

Almost surely, 2^{18029970478608} is an apocalyptic number.

It is an amenable number.

18029970478608 is an abundant number, since it is smaller than the sum of its proper divisors (34533893343792).

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

18029970478608 is a wasteful number, since it uses less digits than its factorization.

18029970478608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177505960 (or 1177505954 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 69.

The spelling of 18029970478608 in words is "eighteen trillion, twenty-nine billion, nine hundred seventy million, four hundred seventy-eight thousand, six hundred eight".