18214645002 has 32 divisors (see below), whose sum is σ = 38695491072. Its totient is φ = 5696131584.

The previous prime is 18214644997. The next prime is 18214645027. The reversal of 18214645002 is 20054641281.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253338 + ... + 317189.

It is an arithmetic number, because the mean of its divisors is an integer number (1209234096).

Almost surely, 2^18214645002 is an apocalyptic number.

18214645002 is an abundant number, since it is smaller than the sum of its proper divisors (20480846070).

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

18214645002 is a wasteful number, since it uses less digits than its factorization.

18214645002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570862.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 18214645002 in words is "eighteen billion, two hundred fourteen million, six hundred forty-five thousand, two".