21569600968 has 32 divisors (see below), whose sum is σ = 40761999360. Its totient is φ = 10700033920.

The previous prime is 21569600957. The next prime is 21569601017. The reversal of 21569600968 is 86900696512.

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, 566796 + ... + 603652.

It is an arithmetic number, because the mean of its divisors is an integer number (1273812480).

Almost surely, 2^21569600968 is an apocalyptic number.

It is an amenable number.

21569600968 is a deficient number, since it is larger than the sum of its proper divisors (19192398392).

21569600968 is a wasteful number, since it uses less digits than its factorization.

21569600968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37437 (or 37433 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 21569600968 in words is "twenty-one billion, five hundred sixty-nine million, six hundred thousand, nine hundred sixty-eight".