2564352670 has 48 divisors (see below), whose sum is σ = 5314511088. Its totient is φ = 883399680.

The previous prime is 2564352649. The next prime is 2564352671. The reversal of 2564352670 is 762534652.

It is a super-2 number, since 2×2564352670² = 13151809232272257800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564352671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7422 + ... + 71998.

It is an arithmetic number, because the mean of its divisors is an integer number (110718981).

Almost surely, 2^2564352670 is an apocalyptic number.

2564352670 is an abundant number, since it is smaller than the sum of its proper divisors (2750158418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564352670 is a wasteful number, since it uses less digits than its factorization.

2564352670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64633 (or 64614 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 2564352670 is about 50639.4378918250. The cubic root of 2564352670 is about 1368.7556267848.

The spelling of 2564352670 in words is "two billion, five hundred sixty-four million, three hundred fifty-two thousand, six hundred seventy".