2564112291 has 16 divisors (see below), whose sum is σ = 3686146464. Its totient is φ = 1576053504.

The previous prime is 2564112283. The next prime is 2564112349. The reversal of 2564112291 is 1922114652.

It is not a de Polignac number, because 2564112291 - 2³ = 2564112283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564112391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4936 + ... + 71781.

It is an arithmetic number, because the mean of its divisors is an integer number (230384154).

Almost surely, 2^2564112291 is an apocalyptic number.

2564112291 is a deficient number, since it is larger than the sum of its proper divisors (1122034173).

2564112291 is a wasteful number, since it uses less digits than its factorization.

2564112291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77590.

The product of its digits is 8640, while the sum is 33.

The square root of 2564112291 is about 50637.0643995088. The cubic root of 2564112291 is about 1368.7128570059.

The spelling of 2564112291 in words is "two billion, five hundred sixty-four million, one hundred twelve thousand, two hundred ninety-one".