21607254796 has 12 divisors (see below), whose sum is σ = 40036972248. Its totient is φ = 10168119872.

The previous prime is 21607254769. The next prime is 21607254833. The reversal of 21607254796 is 69745270612.

It is a happy 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, 158876806 + ... + 158876941.

It is an arithmetic number, because the mean of its divisors is an integer number (3336414354).

Almost surely, 2^21607254796 is an apocalyptic number.

It is an amenable number.

21607254796 is a deficient number, since it is larger than the sum of its proper divisors (18429717452).

21607254796 is a wasteful number, since it uses less digits than its factorization.

21607254796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317753768 (or 317753766 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 21607254796 in words is "twenty-one billion, six hundred seven million, two hundred fifty-four thousand, seven hundred ninety-six".