2645570113 has 2 divisors, whose sum is σ = 2645570114. Its totient is φ = 2645570112.

The previous prime is 2645570087. The next prime is 2645570167. The reversal of 2645570113 is 3110755462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030133249 + 615436864 = 45057^2 + 24808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645570113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2645570713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322785056 + 1322785057.

It is an arithmetic number, because the mean of its divisors is an integer number (1322785057).

Almost surely, 2^2645570113 is an apocalyptic number.

It is an amenable number.

2645570113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645570113 is an equidigital number, since it uses as much as digits as its factorization.

2645570113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2645570113 is about 51435.1058422164. The cubic root of 2645570113 is about 1383.0559793042.

The spelling of 2645570113 in words is "two billion, six hundred forty-five million, five hundred seventy thousand, one hundred thirteen".