13085174689 has 2 divisors, whose sum is σ = 13085174690. Its totient is φ = 13085174688.

The previous prime is 13085174629. The next prime is 13085174759. The reversal of 13085174689 is 98647158031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9926734689 + 3158440000 = 99633^2 + 56200^2 .

It is a cyclic number.

It is not a de Polignac number, because 13085174689 - 2⁹ = 13085174177 is a prime.

It is not a weakly prime, because it can be changed into another prime (13085174629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6542587344 + 6542587345.

It is an arithmetic number, because the mean of its divisors is an integer number (6542587345).

Almost surely, 2^13085174689 is an apocalyptic number.

It is an amenable number.

13085174689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13085174689 is an equidigital number, since it uses as much as digits as its factorization.

13085174689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 13085174689 in words is "thirteen billion, eighty-five million, one hundred seventy-four thousand, six hundred eighty-nine".