13327240309 has 2 divisors, whose sum is σ = 13327240310. Its totient is φ = 13327240308.

The previous prime is 13327240307. The next prime is 13327240327. The reversal of 13327240309 is 90304272331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6896804209 + 6430436100 = 83047^2 + 80190^2 .

It is a cyclic number.

It is not a de Polignac number, because 13327240309 - 2¹ = 13327240307 is a prime.

Together with 13327240307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13327240307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6663620154 + 6663620155.

It is an arithmetic number, because the mean of its divisors is an integer number (6663620155).

Almost surely, 2^13327240309 is an apocalyptic number.

It is an amenable number.

13327240309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13327240309 is an equidigital number, since it uses as much as digits as its factorization.

13327240309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 13327240309 in words is "thirteen billion, three hundred twenty-seven million, two hundred forty thousand, three hundred nine".