2569642255 has 4 divisors (see below), whose sum is σ = 3083570712. Its totient is φ = 2055713800.

The previous prime is 2569642253. The next prime is 2569642279. The reversal of 2569642255 is 5522469652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2569642255 - 2¹ = 2569642253 is a prime.

It is a super-2 number, since 2×2569642255² = 13206122637362970050, 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 (2569642253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256964221 + ... + 256964230.

It is an arithmetic number, because the mean of its divisors is an integer number (770892678).

Almost surely, 2^2569642255 is an apocalyptic number.

2569642255 is a deficient number, since it is larger than the sum of its proper divisors (513928457).

2569642255 is an equidigital number, since it uses as much as digits as its factorization.

2569642255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513928456.

The product of its digits is 1296000, while the sum is 46.

The square root of 2569642255 is about 50691.6389062338. The cubic root of 2569642255 is about 1369.6961080271.

The spelling of 2569642255 in words is "two billion, five hundred sixty-nine million, six hundred forty-two thousand, two hundred fifty-five".