6464422268624 has 10 divisors (see below), whose sum is σ = 12524818145490. Its totient is φ = 3232211134304.

The previous prime is 6464422268543. The next prime is 6464422268659. The reversal of 6464422268624 is 4268622244646.

It can be written as a sum of positive squares in only one way, i.e., 4895014651024 + 1569407617600 = 2212468^2 + 1252760^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6464422268624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202013195879 + ... + 202013195910.

It is an arithmetic number, because the mean of its divisors is an integer number (1252481814549).

Almost surely, 2^{6464422268624} is an apocalyptic number.

It is an amenable number.

6464422268624 is a deficient number, since it is larger than the sum of its proper divisors (6060395876866).

6464422268624 is a wasteful number, since it uses less digits than its factorization.

6464422268624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404026391797 (or 404026391791 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 56.

The spelling of 6464422268624 in words is "six trillion, four hundred sixty-four billion, four hundred twenty-two million, two hundred sixty-eight thousand, six hundred twenty-four".