13259942191 has 2 divisors, whose sum is σ = 13259942192. Its totient is φ = 13259942190.

The previous prime is 13259942099. The next prime is 13259942219. The reversal of 13259942191 is 19124995231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13259942191 - 2⁹ = 13259941679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13259942291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6629971095 + 6629971096.

It is an arithmetic number, because the mean of its divisors is an integer number (6629971096).

Almost surely, 2^13259942191 is an apocalyptic number.

13259942191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13259942191 is an equidigital number, since it uses as much as digits as its factorization.

13259942191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 46.

The spelling of 13259942191 in words is "thirteen billion, two hundred fifty-nine million, nine hundred forty-two thousand, one hundred ninety-one".