13976441291 has 2 divisors, whose sum is σ = 13976441292. Its totient is φ = 13976441290.

The previous prime is 13976441239. The next prime is 13976441293. The reversal of 13976441291 is 19214467931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13976441291 is a prime.

It is a super-2 number, since 2×13976441291² (a number of 21 digits) contains 22 as substring.

Together with 13976441293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13976441293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6988220645 + 6988220646.

It is an arithmetic number, because the mean of its divisors is an integer number (6988220646).

Almost surely, 2^13976441291 is an apocalyptic number.

13976441291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13976441291 is an equidigital number, since it uses as much as digits as its factorization.

13976441291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The spelling of 13976441291 in words is "thirteen billion, nine hundred seventy-six million, four hundred forty-one thousand, two hundred ninety-one".