2564716807 has 2 divisors, whose sum is σ = 2564716808. Its totient is φ = 2564716806.

The previous prime is 2564716783. The next prime is 2564716813. The reversal of 2564716807 is 7086174652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2564716807 - 2¹¹ = 2564714759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564716507) 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, 1282358403 + 1282358404.

It is an arithmetic number, because the mean of its divisors is an integer number (1282358404).

Almost surely, 2^2564716807 is an apocalyptic number.

2564716807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564716807 is an equidigital number, since it uses as much as digits as its factorization.

2564716807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2564716807 is about 50643.0331536333. The cubic root of 2564716807 is about 1368.8204112927.

The spelling of 2564716807 in words is "two billion, five hundred sixty-four million, seven hundred sixteen thousand, eight hundred seven".