21938583002 has 16 divisors (see below), whose sum is σ = 37960488000. Its totient is φ = 9314377728.

The previous prime is 21938582989. The next prime is 21938583013. The reversal of 21938583002 is 20038583912.

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, 7321127 + ... + 7324122.

It is an arithmetic number, because the mean of its divisors is an integer number (2372530500).

Almost surely, 2^21938583002 is an apocalyptic number.

21938583002 is a deficient number, since it is larger than the sum of its proper divisors (16021904998).

21938583002 is a wasteful number, since it uses less digits than its factorization.

21938583002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14645365.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 21938583002 in words is "twenty-one billion, nine hundred thirty-eight million, five hundred eighty-three thousand, two".