2564716811 has 8 divisors (see below), whose sum is σ = 2660314800. Its totient is φ = 2470753152.

The previous prime is 2564716807. The next prime is 2564716813. The reversal of 2564716811 is 1186174652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2564716811 - 2² = 2564716807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564716813) 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 in 7 ways as a sum of consecutive naturals, for example, 405386 + ... + 411663.

It is an arithmetic number, because the mean of its divisors is an integer number (332539350).

Almost surely, 2^2564716811 is an apocalyptic number.

2564716811 is a deficient number, since it is larger than the sum of its proper divisors (95597989).

2564716811 is an equidigital number, since it uses as much as digits as its factorization.

2564716811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817165.

The product of its digits is 80640, while the sum is 41.

The square root of 2564716811 is about 50643.0331931254. The cubic root of 2564716811 is about 1368.8204120043.

The spelling of 2564716811 in words is "two billion, five hundred sixty-four million, seven hundred sixteen thousand, eight hundred eleven".