245707007009 has 2 divisors, whose sum is σ = 245707007010. Its totient is φ = 245707007008.

The previous prime is 245707006991. The next prime is 245707007047. The reversal of 245707007009 is 900700707542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189336376384 + 56370630625 = 435128^2 + 237425^2 .

It is a cyclic number.

It is not a de Polignac number, because 245707007009 - 2²⁴ = 245690229793 is a prime.

It is not a weakly prime, because it can be changed into another prime (245707007089) 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, 122853503504 + 122853503505.

It is an arithmetic number, because the mean of its divisors is an integer number (122853503505).

Almost surely, 2^245707007009 is an apocalyptic number.

It is an amenable number.

245707007009 is a deficient number, since it is larger than the sum of its proper divisors (1).

245707007009 is an equidigital number, since it uses as much as digits as its factorization.

245707007009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 245707007009 in words is "two hundred forty-five billion, seven hundred seven million, seven thousand, nine".