2564332463 has 32 divisors (see below), whose sum is σ = 3238036992. Its totient is φ = 1972771200.

The previous prime is 2564332451. The next prime is 2564332469. The reversal of 2564332463 is 3642334652.

It is a cyclic number.

It is not a de Polignac number, because 2564332463 - 2¹⁸ = 2564070319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564332469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2170733 + ... + 2171913.

It is an arithmetic number, because the mean of its divisors is an integer number (101188656).

Almost surely, 2^2564332463 is an apocalyptic number.

2564332463 is a deficient number, since it is larger than the sum of its proper divisors (673704529).

2564332463 is a wasteful number, since it uses less digits than its factorization.

2564332463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535.

The product of its digits is 311040, while the sum is 38.

The square root of 2564332463 is about 50639.2383730245. The cubic root of 2564332463 is about 1368.7520315282.

The spelling of 2564332463 in words is "two billion, five hundred sixty-four million, three hundred thirty-two thousand, four hundred sixty-three".