13334412491 has 2 divisors, whose sum is σ = 13334412492. Its totient is φ = 13334412490.

The previous prime is 13334412409. The next prime is 13334412523. The reversal of 13334412491 is 19421443331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13334412491 is a prime.

It is not a weakly prime, because it can be changed into another prime (13334412191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6667206245 + 6667206246.

It is an arithmetic number, because the mean of its divisors is an integer number (6667206246).

Almost surely, 2^13334412491 is an apocalyptic number.

13334412491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13334412491 is an equidigital number, since it uses as much as digits as its factorization.

13334412491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The spelling of 13334412491 in words is "thirteen billion, three hundred thirty-four million, four hundred twelve thousand, four hundred ninety-one".