2568152669 has 2 divisors, whose sum is σ = 2568152670. Its totient is φ = 2568152668.

The previous prime is 2568152641. The next prime is 2568152677. The reversal of 2568152669 is 9662518652.

2568152669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2304480025 + 263672644 = 48005^2 + 16238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568152669 - 2²⁸ = 2299717213 is a prime.

It is a super-2 number, since 2×2568152669² = 13190816262583647122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2568152569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284076334 + 1284076335.

It is an arithmetic number, because the mean of its divisors is an integer number (1284076335).

Almost surely, 2^2568152669 is an apocalyptic number.

It is an amenable number.

2568152669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568152669 is an equidigital number, since it uses as much as digits as its factorization.

2568152669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The square root of 2568152669 is about 50676.9441560953. The cubic root of 2568152669 is about 1369.4313922532.

The spelling of 2568152669 in words is "two billion, five hundred sixty-eight million, one hundred fifty-two thousand, six hundred sixty-nine".