2564672701 has 2 divisors, whose sum is σ = 2564672702. Its totient is φ = 2564672700.

The previous prime is 2564672689. The next prime is 2564672731. The reversal of 2564672701 is 1072764652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2557729476 + 6943225 = 50574^2 + 2635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2564672701 - 2¹¹ = 2564670653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564672731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282336350 + 1282336351.

It is an arithmetic number, because the mean of its divisors is an integer number (1282336351).

Almost surely, 2^2564672701 is an apocalyptic number.

It is an amenable number.

2564672701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564672701 is an equidigital number, since it uses as much as digits as its factorization.

2564672701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 2564672701 is about 50642.5976920616. The cubic root of 2564672701 is about 1368.8125646124.

The spelling of 2564672701 in words is "two billion, five hundred sixty-four million, six hundred seventy-two thousand, seven hundred one".