2564719067 has 2 divisors, whose sum is σ = 2564719068. Its totient is φ = 2564719066.

The previous prime is 2564719057. The next prime is 2564719103. The reversal of 2564719067 is 7609174652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2564719067 - 2⁴ = 2564719051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2564719037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282359533 + 1282359534.

It is an arithmetic number, because the mean of its divisors is an integer number (1282359534).

Almost surely, 2^2564719067 is an apocalyptic number.

2564719067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564719067 is an equidigital number, since it uses as much as digits as its factorization.

2564719067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 2564719067 is about 50643.0554666679. The cubic root of 2564719067 is about 1368.8208133557.

The spelling of 2564719067 in words is "two billion, five hundred sixty-four million, seven hundred nineteen thousand, sixty-seven".