13442331454991 has 2 divisors, whose sum is σ = 13442331454992. Its totient is φ = 13442331454990.

The previous prime is 13442331454963. The next prime is 13442331455023. The reversal of 13442331454991 is 19945413324431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13442331454991 - 2⁶ = 13442331454927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13442331454901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721165727495 + 6721165727496.

It is an arithmetic number, because the mean of its divisors is an integer number (6721165727496).

Almost surely, 2^{13442331454991} is an apocalyptic number.

13442331454991 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442331454991 is an equidigital number, since it uses as much as digits as its factorization.

13442331454991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 53.

The spelling of 13442331454991 in words is "thirteen trillion, four hundred forty-two billion, three hundred thirty-one million, four hundred fifty-four thousand, nine hundred ninety-one".