13026983917 has 2 divisors, whose sum is σ = 13026983918. Its totient is φ = 13026983916.

The previous prime is 13026983911. The next prime is 13026983933. The reversal of 13026983917 is 71938962031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11671345156 + 1355638761 = 108034^2 + 36819^2 .

It is a cyclic number.

It is not a de Polignac number, because 13026983917 - 2³ = 13026983909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13026983911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6513491958 + 6513491959.

It is an arithmetic number, because the mean of its divisors is an integer number (6513491959).

Almost surely, 2^13026983917 is an apocalyptic number.

It is an amenable number.

13026983917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13026983917 is an equidigital number, since it uses as much as digits as its factorization.

13026983917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 13026983917 in words is "thirteen billion, twenty-six million, nine hundred eighty-three thousand, nine hundred seventeen".