2568112391 has 16 divisors (see below), whose sum is σ = 2844493344. Its totient is φ = 2303178624.

The previous prime is 2568112381. The next prime is 2568112397. The reversal of 2568112391 is 1932118652.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2568112391 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 (2568112397) 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, 368360 + ... + 375266.

It is an arithmetic number, because the mean of its divisors is an integer number (177780834).

Almost surely, 2^2568112391 is an apocalyptic number.

2568112391 is a deficient number, since it is larger than the sum of its proper divisors (276380953).

2568112391 is a wasteful number, since it uses less digits than its factorization.

2568112391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730.

The product of its digits is 25920, while the sum is 38.

The square root of 2568112391 is about 50676.5467548846. The cubic root of 2568112391 is about 1369.4242329896.

The spelling of 2568112391 in words is "two billion, five hundred sixty-eight million, one hundred twelve thousand, three hundred ninety-one".