13691379413 has 2 divisors, whose sum is σ = 13691379414. Its totient is φ = 13691379412.

The previous prime is 13691379391. The next prime is 13691379421. The reversal of 13691379413 is 31497319631.

It is a happy number.

13691379413 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., 12196551844 + 1494827569 = 110438^2 + 38663^2 .

It is an emirp because it is prime and its reverse (31497319631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13691379413 - 2³⁰ = 12617637589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13691379433) 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, 6845689706 + 6845689707.

It is an arithmetic number, because the mean of its divisors is an integer number (6845689707).

Almost surely, 2^13691379413 is an apocalyptic number.

It is an amenable number.

13691379413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13691379413 is an equidigital number, since it uses as much as digits as its factorization.

13691379413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The spelling of 13691379413 in words is "thirteen billion, six hundred ninety-one million, three hundred seventy-nine thousand, four hundred thirteen".