13542497291 has 2 divisors, whose sum is σ = 13542497292. Its totient is φ = 13542497290.

The previous prime is 13542497239. The next prime is 13542497341. The reversal of 13542497291 is 19279424531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13542497291 is a prime.

It is not a weakly prime, because it can be changed into another prime (13542493291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771248645 + 6771248646.

It is an arithmetic number, because the mean of its divisors is an integer number (6771248646).

Almost surely, 2^13542497291 is an apocalyptic number.

13542497291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542497291 is an equidigital number, since it uses as much as digits as its factorization.

13542497291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The spelling of 13542497291 in words is "thirteen billion, five hundred forty-two million, four hundred ninety-seven thousand, two hundred ninety-one".