13019027859697 has 2 divisors, whose sum is σ = 13019027859698. Its totient is φ = 13019027859696.

The previous prime is 13019027859671. The next prime is 13019027859731. The reversal of 13019027859697 is 79695872091031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9164418143841 + 3854609715856 = 3027279^2 + 1963316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13019027859697 is a prime.

It is not a weakly prime, because it can be changed into another prime (13019027859667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6509513929848 + 6509513929849.

It is an arithmetic number, because the mean of its divisors is an integer number (6509513929849).

Almost surely, 2^{13019027859697} is an apocalyptic number.

It is an amenable number.

13019027859697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13019027859697 is an equidigital number, since it uses as much as digits as its factorization.

13019027859697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51438240, while the sum is 67.

The spelling of 13019027859697 in words is "thirteen trillion, nineteen billion, twenty-seven million, eight hundred fifty-nine thousand, six hundred ninety-seven".