2568360961 has 2 divisors, whose sum is σ = 2568360962. Its totient is φ = 2568360960.

The previous prime is 2568360947. The next prime is 2568360983. The reversal of 2568360961 is 1690638652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1358364736 + 1209996225 = 36856^2 + 34785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568360961 - 2²¹ = 2566263809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2568360161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284180480 + 1284180481.

It is an arithmetic number, because the mean of its divisors is an integer number (1284180481).

Almost surely, 2^2568360961 is an apocalyptic number.

It is an amenable number.

2568360961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568360961 is an equidigital number, since it uses as much as digits as its factorization.

2568360961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2568360961 is about 50678.9992107184. Note that the first 3 decimals coincide. The cubic root of 2568360961 is about 1369.4684141816.

The spelling of 2568360961 in words is "two billion, five hundred sixty-eight million, three hundred sixty thousand, nine hundred sixty-one".