13813341691 has 2 divisors, whose sum is σ = 13813341692. Its totient is φ = 13813341690.

The previous prime is 13813341673. The next prime is 13813341697. The reversal of 13813341691 is 19614331831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13813341691 - 2³³ = 5223407099 is a prime.

It is not a weakly prime, because it can be changed into another prime (13813341697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906670845 + 6906670846.

It is an arithmetic number, because the mean of its divisors is an integer number (6906670846).

Almost surely, 2^13813341691 is an apocalyptic number.

13813341691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13813341691 is an equidigital number, since it uses as much as digits as its factorization.

13813341691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The spelling of 13813341691 in words is "thirteen billion, eight hundred thirteen million, three hundred forty-one thousand, six hundred ninety-one".