13411391891 has 2 divisors, whose sum is σ = 13411391892. Its totient is φ = 13411391890.

The previous prime is 13411391867. The next prime is 13411391923. The reversal of 13411391891 is 19819311431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13411391891 - 2¹⁸ = 13411129747 is a prime.

It is not a weakly prime, because it can be changed into another prime (13411391491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6705695945 + 6705695946.

It is an arithmetic number, because the mean of its divisors is an integer number (6705695946).

Almost surely, 2^13411391891 is an apocalyptic number.

13411391891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13411391891 is an equidigital number, since it uses as much as digits as its factorization.

13411391891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 41.

The spelling of 13411391891 in words is "thirteen billion, four hundred eleven million, three hundred ninety-one thousand, eight hundred ninety-one".