64319846975 has 24 divisors (see below), whose sum is σ = 79968624240. Its totient is φ = 51319296000.

The previous prime is 64319846971. The next prime is 64319846999. The reversal of 64319846975 is 57964891346.

It is not a de Polignac number, because 64319846975 - 2² = 64319846971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64319846971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20686721 + ... + 20689829.

It is an arithmetic number, because the mean of its divisors is an integer number (3332026010).

Almost surely, 2^64319846975 is an apocalyptic number.

64319846975 is a deficient number, since it is larger than the sum of its proper divisors (15648777265).

64319846975 is a wasteful number, since it uses less digits than its factorization.

64319846975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051 (or 5046 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 62.

The spelling of 64319846975 in words is "sixty-four billion, three hundred nineteen million, eight hundred forty-six thousand, nine hundred seventy-five".