13113491519 has 2 divisors, whose sum is σ = 13113491520. Its totient is φ = 13113491518.

The previous prime is 13113491513. The next prime is 13113491543. The reversal of 13113491519 is 91519431131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13113491519 - 2²⁰ = 13112442943 is a prime.

It is a super-2 number, since 2×13113491519² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13113491513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556745759 + 6556745760.

It is an arithmetic number, because the mean of its divisors is an integer number (6556745760).

Almost surely, 2^13113491519 is an apocalyptic number.

13113491519 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113491519 is an equidigital number, since it uses as much as digits as its factorization.

13113491519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 38.

The spelling of 13113491519 in words is "thirteen billion, one hundred thirteen million, four hundred ninety-one thousand, five hundred nineteen".