5668936487789 has 2 divisors, whose sum is σ = 5668936487790. Its totient is φ = 5668936487788.

The previous prime is 5668936487663. The next prime is 5668936487807. The reversal of 5668936487789 is 9877846398665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4178107697764 + 1490828790025 = 2044042^2 + 1220995^2 .

It is a cyclic number.

It is not a de Polignac number, because 5668936487789 - 2²⁰ = 5668935439213 is a prime.

It is a super-2 number, since 2×5668936487789² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5668936487789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5668936480789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834468243894 + 2834468243895.

It is an arithmetic number, because the mean of its divisors is an integer number (2834468243895).

Almost surely, 2^{5668936487789} is an apocalyptic number.

It is an amenable number.

5668936487789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668936487789 is an equidigital number, since it uses as much as digits as its factorization.

5668936487789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26336378880, while the sum is 86.

The spelling of 5668936487789 in words is "five trillion, six hundred sixty-eight billion, nine hundred thirty-six million, four hundred eighty-seven thousand, seven hundred eighty-nine".