2564534937 has 32 divisors (see below), whose sum is σ = 3764275200. Its totient is φ = 1545806592.

The previous prime is 2564534867. The next prime is 2564535023. The reversal of 2564534937 is 7394354652.

It is not a de Polignac number, because 2564534937 - 2¹² = 2564530841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564534437) 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 31 ways as a sum of consecutive naturals, for example, 657489 + ... + 661377.

It is an arithmetic number, because the mean of its divisors is an integer number (117633600).

Almost surely, 2^2564534937 is an apocalyptic number.

It is an amenable number.

2564534937 is a deficient number, since it is larger than the sum of its proper divisors (1199740263).

2564534937 is a wasteful number, since it uses less digits than its factorization.

2564534937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437.

The product of its digits is 2721600, while the sum is 48.

The square root of 2564534937 is about 50641.2375145000. The cubic root of 2564534937 is about 1368.7880551209.

The spelling of 2564534937 in words is "two billion, five hundred sixty-four million, five hundred thirty-four thousand, nine hundred thirty-seven".