613560225409 has 2 divisors, whose sum is σ = 613560225410. Its totient is φ = 613560225408.

The previous prime is 613560225389. The next prime is 613560225449. The reversal of 613560225409 is 904522065316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602025465409 + 11534760000 = 775903^2 + 107400^2 .

It is a cyclic number.

It is not a de Polignac number, because 613560225409 - 2⁷ = 613560225281 is a prime.

It is not a weakly prime, because it can be changed into another prime (613560225449) 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, 306780112704 + 306780112705.

It is an arithmetic number, because the mean of its divisors is an integer number (306780112705).

Almost surely, 2^613560225409 is an apocalyptic number.

It is an amenable number.

613560225409 is a deficient number, since it is larger than the sum of its proper divisors (1).

613560225409 is an equidigital number, since it uses as much as digits as its factorization.

613560225409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 613560225409 in words is "six hundred thirteen billion, five hundred sixty million, two hundred twenty-five thousand, four hundred nine".