64469948956524 has 72 divisors (see below), whose sum is σ = 168745924620000. Its totient is φ = 20729168995584.

The previous prime is 64469948956481. The next prime is 64469948956577. The reversal of 64469948956524 is 42565984996446.

64469948956524 is a `hidden beast` number, since 6 + 4 + 4 + 6 + 9 + 9 + 4 + 89 + 5 + 6 + 524 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28338984 + ... + 30529295.

It is an arithmetic number, because the mean of its divisors is an integer number (2343693397500).

Almost surely, 2^{64469948956524} is an apocalyptic number.

It is an amenable number.

64469948956524 is an abundant number, since it is smaller than the sum of its proper divisors (104275975663476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64469948956524 is a wasteful number, since it uses less digits than its factorization.

64469948956524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58869367 (or 58869362 counting only the distinct ones).

The product of its digits is 16124313600, while the sum is 81.

The spelling of 64469948956524 in words is "sixty-four trillion, four hundred sixty-nine billion, nine hundred forty-eight million, nine hundred fifty-six thousand, five hundred twenty-four".