64822737968 has 10 divisors (see below), whose sum is σ = 125594054844. Its totient is φ = 32411368976.

The previous prime is 64822737943. The next prime is 64822737989. The reversal of 64822737968 is 86973722846.

It is a self number, because there is not a number n which added to its sum of digits gives 64822737968.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025710546 + ... + 2025710577.

Almost surely, 2^64822737968 is an apocalyptic number.

It is an amenable number.

64822737968 is a deficient number, since it is larger than the sum of its proper divisors (60771316876).

64822737968 is a wasteful number, since it uses less digits than its factorization.

64822737968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051421131 (or 4051421125 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 62.

The spelling of 64822737968 in words is "sixty-four billion, eight hundred twenty-two million, seven hundred thirty-seven thousand, nine hundred sixty-eight".