13086649357 has 2 divisors, whose sum is σ = 13086649358. Its totient is φ = 13086649356.

The previous prime is 13086649321. The next prime is 13086649379. The reversal of 13086649357 is 75394668031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12539744361 + 546904996 = 111981^2 + 23386^2 .

It is a cyclic number.

It is not a de Polignac number, because 13086649357 - 2⁷ = 13086649229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13086649307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6543324678 + 6543324679.

It is an arithmetic number, because the mean of its divisors is an integer number (6543324679).

Almost surely, 2^13086649357 is an apocalyptic number.

It is an amenable number.

13086649357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13086649357 is an equidigital number, since it uses as much as digits as its factorization.

13086649357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 13086649357 in words is "thirteen billion, eighty-six million, six hundred forty-nine thousand, three hundred fifty-seven".