13542497239 has 2 divisors, whose sum is σ = 13542497240. Its totient is φ = 13542497238.

The previous prime is 13542497203. The next prime is 13542497291. The reversal of 13542497239 is 93279424531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13542497239 - 2⁹ = 13542496727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13542497192 and 13542497201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13542497039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771248619 + 6771248620.

It is an arithmetic number, because the mean of its divisors is an integer number (6771248620).

Almost surely, 2^13542497239 is an apocalyptic number.

13542497239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542497239 is an equidigital number, since it uses as much as digits as its factorization.

13542497239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The spelling of 13542497239 in words is "thirteen billion, five hundred forty-two million, four hundred ninety-seven thousand, two hundred thirty-nine".