13285378313479 has 2 divisors, whose sum is σ = 13285378313480. Its totient is φ = 13285378313478.

The previous prime is 13285378313447. The next prime is 13285378313561. The reversal of 13285378313479 is 97431387358231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13285378313479 - 2⁵ = 13285378313447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13285378313479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13285378311479) 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, 6642689156739 + 6642689156740.

It is an arithmetic number, because the mean of its divisors is an integer number (6642689156740).

Almost surely, 2^{13285378313479} is an apocalyptic number.

13285378313479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13285378313479 is an equidigital number, since it uses as much as digits as its factorization.

13285378313479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 64.

The spelling of 13285378313479 in words is "thirteen trillion, two hundred eighty-five billion, three hundred seventy-eight million, three hundred thirteen thousand, four hundred seventy-nine".