2645233009 has 2 divisors, whose sum is σ = 2645233010. Its totient is φ = 2645233008.

The previous prime is 2645233001. The next prime is 2645233051. The reversal of 2645233009 is 9003325462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2644016400 + 1216609 = 51420^2 + 1103^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645233009 - 2³ = 2645233001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2645233001) 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 as a sum of consecutive naturals, namely, 1322616504 + 1322616505.

It is an arithmetic number, because the mean of its divisors is an integer number (1322616505).

Almost surely, 2^2645233009 is an apocalyptic number.

It is an amenable number.

2645233009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645233009 is an equidigital number, since it uses as much as digits as its factorization.

2645233009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 2645233009 is about 51431.8287541868. The cubic root of 2645233009 is about 1382.9972328605.

The spelling of 2645233009 in words is "two billion, six hundred forty-five million, two hundred thirty-three thousand, nine".