13427785235239 has 2 divisors, whose sum is σ = 13427785235240. Its totient is φ = 13427785235238.

The previous prime is 13427785235231. The next prime is 13427785235273. The reversal of 13427785235239 is 93253258772431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13427785235239 - 2³ = 13427785235231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13427785235231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6713892617619 + 6713892617620.

It is an arithmetic number, because the mean of its divisors is an integer number (6713892617620).

Almost surely, 2^{13427785235239} is an apocalyptic number.

13427785235239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13427785235239 is an equidigital number, since it uses as much as digits as its factorization.

13427785235239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 61.

The spelling of 13427785235239 in words is "thirteen trillion, four hundred twenty-seven billion, seven hundred eighty-five million, two hundred thirty-five thousand, two hundred thirty-nine".