2564485067 has 2 divisors, whose sum is σ = 2564485068. Its totient is φ = 2564485066.

The previous prime is 2564485061. The next prime is 2564485169. The reversal of 2564485067 is 7605844652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2564485067 - 2¹⁸ = 2564222923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2564485061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282242533 + 1282242534.

It is an arithmetic number, because the mean of its divisors is an integer number (1282242534).

Almost surely, 2^2564485067 is an apocalyptic number.

2564485067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564485067 is an equidigital number, since it uses as much as digits as its factorization.

2564485067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The square root of 2564485067 is about 50640.7451268245. The cubic root of 2564485067 is about 1368.7791825697.

The spelling of 2564485067 in words is "two billion, five hundred sixty-four million, four hundred eighty-five thousand, sixty-seven".