13308946709 has 2 divisors, whose sum is σ = 13308946710. Its totient is φ = 13308946708.

The previous prime is 13308946699. The next prime is 13308946733. The reversal of 13308946709 is 90764980331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8860456900 + 4448489809 = 94130^2 + 66697^2 .

It is a cyclic number.

It is not a de Polignac number, because 13308946709 - 2²⁰ = 13307898133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13308546709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6654473354 + 6654473355.

It is an arithmetic number, because the mean of its divisors is an integer number (6654473355).

Almost surely, 2^13308946709 is an apocalyptic number.

It is an amenable number.

13308946709 is a deficient number, since it is larger than the sum of its proper divisors (1).

13308946709 is an equidigital number, since it uses as much as digits as its factorization.

13308946709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 13308946709 in words is "thirteen billion, three hundred eight million, nine hundred forty-six thousand, seven hundred nine".