2564352671 has 2 divisors, whose sum is σ = 2564352672. Its totient is φ = 2564352670.

The previous prime is 2564352649. The next prime is 2564352683. The reversal of 2564352671 is 1762534652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2564352671 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564352871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282176335 + 1282176336.

It is an arithmetic number, because the mean of its divisors is an integer number (1282176336).

Almost surely, 2^2564352671 is an apocalyptic number.

2564352671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564352671 is an equidigital number, since it uses as much as digits as its factorization.

2564352671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 2564352671 is about 50639.4379016987. The cubic root of 2564352671 is about 1368.7556269627.

The spelling of 2564352671 in words is "two billion, five hundred sixty-four million, three hundred fifty-two thousand, six hundred seventy-one".