10251612536609 has 2 divisors, whose sum is σ = 10251612536610. Its totient is φ = 10251612536608.

The previous prime is 10251612536597. The next prime is 10251612536699. The reversal of 10251612536609 is 90663521615201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9845964557584 + 405647979025 = 3137828^2 + 636905^2 .

It is a cyclic number.

It is not a de Polignac number, because 10251612536609 - 2²⁸ = 10251344101153 is a prime.

It is not a weakly prime, because it can be changed into another prime (10251612536699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125806268304 + 5125806268305.

It is an arithmetic number, because the mean of its divisors is an integer number (5125806268305).

Almost surely, 2^{10251612536609} is an apocalyptic number.

It is an amenable number.

10251612536609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251612536609 is an equidigital number, since it uses as much as digits as its factorization.

10251612536609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 10251612536609 in words is "ten trillion, two hundred fifty-one billion, six hundred twelve million, five hundred thirty-six thousand, six hundred nine".