13246523249 has 2 divisors, whose sum is σ = 13246523250. Its totient is φ = 13246523248.

The previous prime is 13246523219. The next prime is 13246523273. The reversal of 13246523249 is 94232564231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13238113249 + 8410000 = 115057^2 + 2900^2 .

It is a cyclic number.

It is not a de Polignac number, because 13246523249 - 2¹⁶ = 13246457713 is a prime.

It is not a weakly prime, because it can be changed into another prime (13246523209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623261624 + 6623261625.

It is an arithmetic number, because the mean of its divisors is an integer number (6623261625).

Almost surely, 2^13246523249 is an apocalyptic number.

It is an amenable number.

13246523249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13246523249 is an equidigital number, since it uses as much as digits as its factorization.

13246523249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The spelling of 13246523249 in words is "thirteen billion, two hundred forty-six million, five hundred twenty-three thousand, two hundred forty-nine".