64606424464 has 40 divisors (see below), whose sum is σ = 127256587200. Its totient is φ = 31767635328.

The previous prime is 64606424447. The next prime is 64606424483. The reversal of 64606424464 is 46442460646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591822 + ... + 692434.

It is an arithmetic number, because the mean of its divisors is an integer number (3181414680).

Almost surely, 2^64606424464 is an apocalyptic number.

It is an amenable number.

64606424464 is a deficient number, since it is larger than the sum of its proper divisors (62650162736).

64606424464 is a wasteful number, since it uses less digits than its factorization.

64606424464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101287 (or 101281 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 64606424464 in words is "sixty-four billion, six hundred six million, four hundred twenty-four thousand, four hundred sixty-four".