2564641351 has 2 divisors, whose sum is σ = 2564641352. Its totient is φ = 2564641350.

The previous prime is 2564641279. The next prime is 2564641357. The reversal of 2564641351 is 1531464652.

2564641351 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 is a cyclic number.

It is not a de Polignac number, because 2564641351 - 2¹¹ = 2564639303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2564641351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564641357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282320675 + 1282320676.

It is an arithmetic number, because the mean of its divisors is an integer number (1282320676).

Almost surely, 2^2564641351 is an apocalyptic number.

2564641351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564641351 is an equidigital number, since it uses as much as digits as its factorization.

2564641351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 2564641351 is about 50642.2881690786. The cubic root of 2564641351 is about 1368.8069872342.

The spelling of 2564641351 in words is "two billion, five hundred sixty-four million, six hundred forty-one thousand, three hundred fifty-one".