13253015309 has 2 divisors, whose sum is σ = 13253015310. Its totient is φ = 13253015308.

The previous prime is 13253015257. The next prime is 13253015323. The reversal of 13253015309 is 90351035231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11175661225 + 2077354084 = 105715^2 + 45578^2 .

It is a cyclic number.

It is not a de Polignac number, because 13253015309 - 2⁸ = 13253015053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13253005309) 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, 6626507654 + 6626507655.

It is an arithmetic number, because the mean of its divisors is an integer number (6626507655).

Almost surely, 2^13253015309 is an apocalyptic number.

It is an amenable number.

13253015309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13253015309 is an equidigital number, since it uses as much as digits as its factorization.

13253015309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 32.

The spelling of 13253015309 in words is "thirteen billion, two hundred fifty-three million, fifteen thousand, three hundred nine".