2564814229 has 2 divisors, whose sum is σ = 2564814230. Its totient is φ = 2564814228.

The previous prime is 2564814181. The next prime is 2564814253. The reversal of 2564814229 is 9224184652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1752678225 + 812136004 = 41865^2 + 28498^2 .

It is a cyclic number.

It is not a de Polignac number, because 2564814229 - 2⁹ = 2564813717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564814929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282407114 + 1282407115.

It is an arithmetic number, because the mean of its divisors is an integer number (1282407115).

Almost surely, 2^2564814229 is an apocalyptic number.

It is an amenable number.

2564814229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564814229 is an equidigital number, since it uses as much as digits as its factorization.

2564814229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 43.

The square root of 2564814229 is about 50643.9949944710. The cubic root of 2564814229 is about 1368.8377428403.

The spelling of 2564814229 in words is "two billion, five hundred sixty-four million, eight hundred fourteen thousand, two hundred twenty-nine".