13313606309 has 2 divisors, whose sum is σ = 13313606310. Its totient is φ = 13313606308.

The previous prime is 13313606303. The next prime is 13313606329. The reversal of 13313606309 is 90360631331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7826056225 + 5487550084 = 88465^2 + 74078^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313606309 - 2¹² = 13313602213 is a prime.

It is a super-2 number, since 2×13313606309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13313606303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656803154 + 6656803155.

It is an arithmetic number, because the mean of its divisors is an integer number (6656803155).

Almost surely, 2^13313606309 is an apocalyptic number.

It is an amenable number.

13313606309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313606309 is an equidigital number, since it uses as much as digits as its factorization.

13313606309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 35.

The spelling of 13313606309 in words is "thirteen billion, three hundred thirteen million, six hundred six thousand, three hundred nine".