13768697519 has 2 divisors, whose sum is σ = 13768697520. Its totient is φ = 13768697518.

The previous prime is 13768697513. The next prime is 13768697521. The reversal of 13768697519 is 91579686731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13768697519 is a prime.

It is a super-2 number, since 2×13768697519² (a number of 21 digits) contains 22 as substring.

Together with 13768697521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13768697513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6884348759 + 6884348760.

It is an arithmetic number, because the mean of its divisors is an integer number (6884348760).

Almost surely, 2^13768697519 is an apocalyptic number.

13768697519 is a deficient number, since it is larger than the sum of its proper divisors (1).

13768697519 is an equidigital number, since it uses as much as digits as its factorization.

13768697519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 62.

The spelling of 13768697519 in words is "thirteen billion, seven hundred sixty-eight million, six hundred ninety-seven thousand, five hundred nineteen".