64522504671 has 32 divisors (see below), whose sum is σ = 87772477440. Its totient is φ = 42152140800.

The previous prime is 64522504661. The next prime is 64522504679. The reversal of 64522504671 is 17640522546.

It is not a de Polignac number, because 64522504671 - 2³⁰ = 63448762847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522504679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45792415 + ... + 45793823.

It is an arithmetic number, because the mean of its divisors is an integer number (2742889920).

Almost surely, 2^64522504671 is an apocalyptic number.

64522504671 is a deficient number, since it is larger than the sum of its proper divisors (23249972769).

64522504671 is a wasteful number, since it uses less digits than its factorization.

64522504671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 64522504671 in words is "sixty-four billion, five hundred twenty-two million, five hundred four thousand, six hundred seventy-one".