13238319526249 has 2 divisors, whose sum is σ = 13238319526250. Its totient is φ = 13238319526248.

The previous prime is 13238319526177. The next prime is 13238319526261. The reversal of 13238319526249 is 94262591383231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6881204472025 + 6357115054224 = 2623205^2 + 2521332^2 .

It is a cyclic number.

It is not a de Polignac number, because 13238319526249 - 2²⁹ = 13237782655337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13238319526193 and 13238319526202.

It is not a weakly prime, because it can be changed into another prime (13238319526279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6619159763124 + 6619159763125.

It is an arithmetic number, because the mean of its divisors is an integer number (6619159763125).

Almost surely, 2^{13238319526249} is an apocalyptic number.

It is an amenable number.

13238319526249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13238319526249 is an equidigital number, since it uses as much as digits as its factorization.

13238319526249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 58.

The spelling of 13238319526249 in words is "thirteen trillion, two hundred thirty-eight billion, three hundred nineteen million, five hundred twenty-six thousand, two hundred forty-nine".