13358672609 has 2 divisors, whose sum is σ = 13358672610. Its totient is φ = 13358672608.

The previous prime is 13358672557. The next prime is 13358672611. The reversal of 13358672609 is 90627685331.

13358672609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13214192209 + 144480400 = 114953^2 + 12020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13358672609 is a prime.

Together with 13358672611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13358672669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6679336304 + 6679336305.

It is an arithmetic number, because the mean of its divisors is an integer number (6679336305).

Almost surely, 2^13358672609 is an apocalyptic number.

It is an amenable number.

13358672609 is a deficient number, since it is larger than the sum of its proper divisors (1).

13358672609 is an equidigital number, since it uses as much as digits as its factorization.

13358672609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 13358672609 in words is "thirteen billion, three hundred fifty-eight million, six hundred seventy-two thousand, six hundred nine".