2564063623 has 16 divisors (see below), whose sum is σ = 3045916800. Its totient is φ = 2132131680.

The previous prime is 2564063611. The next prime is 2564063633. The reversal of 2564063623 is 3263604652.

It is a cyclic number.

It is not a de Polignac number, because 2564063623 - 2⁵ = 2564063591 is a prime.

It is a super-2 number, since 2×2564063623² = 13148844525583772258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564063633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205461 + ... + 217582.

It is an arithmetic number, because the mean of its divisors is an integer number (190369800).

Almost surely, 2^2564063623 is an apocalyptic number.

2564063623 is a deficient number, since it is larger than the sum of its proper divisors (481853177).

2564063623 is a wasteful number, since it uses less digits than its factorization.

2564063623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423102.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 2564063623 is about 50636.5838401447. The cubic root of 2564063623 is about 1368.7041973567.

The spelling of 2564063623 in words is "two billion, five hundred sixty-four million, sixty-three thousand, six hundred twenty-three".