13319127709 has 2 divisors, whose sum is σ = 13319127710. Its totient is φ = 13319127708.

The previous prime is 13319127697. The next prime is 13319127719. The reversal of 13319127709 is 90772191331.

13319127709 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., 13191211609 + 127916100 = 114853^2 + 11310^2 .

It is a cyclic number.

It is not a de Polignac number, because 13319127709 - 2¹¹ = 13319125661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13319127719) 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, 6659563854 + 6659563855.

It is an arithmetic number, because the mean of its divisors is an integer number (6659563855).

Almost surely, 2^13319127709 is an apocalyptic number.

It is an amenable number.

13319127709 is a deficient number, since it is larger than the sum of its proper divisors (1).

13319127709 is an equidigital number, since it uses as much as digits as its factorization.

13319127709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 43.

The spelling of 13319127709 in words is "thirteen billion, three hundred nineteen million, one hundred twenty-seven thousand, seven hundred nine".