64462759922 has 54 divisors (see below), whose sum is σ = 112302668079. Its totient is φ = 27726767640.

The previous prime is 64462759919. The next prime is 64462759931. The reversal of 64462759922 is 22995726446.

It can be written as a sum of positive squares in only one way, i.e., 32231379961 + 32231379961 = 179531^2 + 179531^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=179531.

It is a super-2 number, since 2×64462759922² (a number of 22 digits) contains 22 as substring.

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 26 ways as a sum of consecutive naturals, for example, 75043529 + ... + 75044387.

Almost surely, 2^64462759922 is an apocalyptic number.

64462759922 is a deficient number, since it is larger than the sum of its proper divisors (47839908157).

64462759922 is an equidigital number, since it uses as much as digits as its factorization.

64462759922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 891 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 56.

The spelling of 64462759922 in words is "sixty-four billion, four hundred sixty-two million, seven hundred fifty-nine thousand, nine hundred twenty-two".