13027979893 has 2 divisors, whose sum is σ = 13027979894. Its totient is φ = 13027979892.

The previous prime is 13027979857. The next prime is 13027979897. The reversal of 13027979893 is 39897972031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12687319044 + 340660849 = 112638^2 + 18457^2 .

It is a cyclic number.

It is not a de Polignac number, because 13027979893 - 2¹³ = 13027971701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13027979897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6513989946 + 6513989947.

It is an arithmetic number, because the mean of its divisors is an integer number (6513989947).

Almost surely, 2^13027979893 is an apocalyptic number.

It is an amenable number.

13027979893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13027979893 is an equidigital number, since it uses as much as digits as its factorization.

13027979893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The spelling of 13027979893 in words is "thirteen billion, twenty-seven million, nine hundred seventy-nine thousand, eight hundred ninety-three".