13319127719 has 2 divisors, whose sum is σ = 13319127720. Its totient is φ = 13319127718.

The previous prime is 13319127709. The next prime is 13319127727. The reversal of 13319127719 is 91772191331.

13319127719 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 is an emirp because it is prime and its reverse (91772191331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13319127719 is a prime.

It is a super-2 number, since 2×13319127719² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13319127719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13319127709) 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, 6659563859 + 6659563860.

It is an arithmetic number, because the mean of its divisors is an integer number (6659563860).

Almost surely, 2^13319127719 is an apocalyptic number.

13319127719 is a deficient number, since it is larger than the sum of its proper divisors (1).

13319127719 is an equidigital number, since it uses as much as digits as its factorization.

13319127719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 44.

The spelling of 13319127719 in words is "thirteen billion, three hundred nineteen million, one hundred twenty-seven thousand, seven hundred nineteen".