21967095902 has 8 divisors (see below), whose sum is σ = 32958916200. Its totient is φ = 10980790504.

The previous prime is 21967095889. The next prime is 21967095937. The reversal of 21967095902 is 20959076912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368752 + ... + 1384707.

It is an arithmetic number, because the mean of its divisors is an integer number (4119864525).

Almost surely, 2^21967095902 is an apocalyptic number.

21967095902 is a deficient number, since it is larger than the sum of its proper divisors (10991820298).

21967095902 is a wasteful number, since it uses less digits than its factorization.

21967095902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757450.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 21967095902 in words is "twenty-one billion, nine hundred sixty-seven million, ninety-five thousand, nine hundred two".