13459279496857 has 2 divisors, whose sum is σ = 13459279496858. Its totient is φ = 13459279496856.

The previous prime is 13459279496833. The next prime is 13459279496959. The reversal of 13459279496857 is 75869497295431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7668224952336 + 5791054544521 = 2769156^2 + 2406461^2 .

It is a cyclic number.

It is not a de Polignac number, because 13459279496857 - 2¹⁹ = 13459278972569 is a prime.

It is not a weakly prime, because it can be changed into another prime (13459279496057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6729639748428 + 6729639748429.

It is an arithmetic number, because the mean of its divisors is an integer number (6729639748429).

Almost surely, 2^{13459279496857} is an apocalyptic number.

It is an amenable number.

13459279496857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13459279496857 is an equidigital number, since it uses as much as digits as its factorization.

13459279496857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4115059200, while the sum is 79.

The spelling of 13459279496857 in words is "thirteen trillion, four hundred fifty-nine billion, two hundred seventy-nine million, four hundred ninety-six thousand, eight hundred fifty-seven".