2564330089 has 2 divisors, whose sum is σ = 2564330090. Its totient is φ = 2564330088.

The previous prime is 2564330077. The next prime is 2564330123. The reversal of 2564330089 is 9800334652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1988714025 + 575616064 = 44595^2 + 23992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2564330089 - 2⁹ = 2564329577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2564330009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282165044 + 1282165045.

It is an arithmetic number, because the mean of its divisors is an integer number (1282165045).

Almost surely, 2^2564330089 is an apocalyptic number.

It is an amenable number.

2564330089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564330089 is an equidigital number, since it uses as much as digits as its factorization.

2564330089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2564330089 is about 50639.2149326982. The cubic root of 2564330089 is about 1368.7516091416.

The spelling of 2564330089 in words is "two billion, five hundred sixty-four million, three hundred thirty thousand, eighty-nine".