64308922456 has 32 divisors (see below), whose sum is σ = 121344078240. Its totient is φ = 31950638848.

The previous prime is 64308922427. The next prime is 64308922459. The reversal of 64308922456 is 65422980346.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64308922459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4793550 + ... + 4806946.

It is an arithmetic number, because the mean of its divisors is an integer number (3792002445).

Almost surely, 2^64308922456 is an apocalyptic number.

It is an amenable number.

64308922456 is a deficient number, since it is larger than the sum of its proper divisors (57035155784).

64308922456 is a wasteful number, since it uses less digits than its factorization.

64308922456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17163 (or 17159 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 64308922456 in words is "sixty-four billion, three hundred eight million, nine hundred twenty-two thousand, four hundred fifty-six".