5666268993193 has 2 divisors, whose sum is σ = 5666268993194. Its totient is φ = 5666268993192.

The previous prime is 5666268993179. The next prime is 5666268993197. The reversal of 5666268993193 is 3913998626665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5344544077929 + 321724915264 = 2311827^2 + 567208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666268993193 is a prime.

It is not a weakly prime, because it can be changed into another prime (5666268993197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833134496596 + 2833134496597.

It is an arithmetic number, because the mean of its divisors is an integer number (2833134496597).

Almost surely, 2^{5666268993193} is an apocalyptic number.

It is an amenable number.

5666268993193 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666268993193 is an equidigital number, since it uses as much as digits as its factorization.

5666268993193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680244480, while the sum is 73.

The spelling of 5666268993193 in words is "five trillion, six hundred sixty-six billion, two hundred sixty-eight million, nine hundred ninety-three thousand, one hundred ninety-three".