5668479391 has 2 divisors, whose sum is σ = 5668479392. Its totient is φ = 5668479390.

The previous prime is 5668479359. The next prime is 5668479407. The reversal of 5668479391 is 1939748665.

5668479391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5668479391 - 2⁵ = 5668479359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5668489391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834239695 + 2834239696.

It is an arithmetic number, because the mean of its divisors is an integer number (2834239696).

Almost surely, 2^5668479391 is an apocalyptic number.

5668479391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668479391 is an equidigital number, since it uses as much as digits as its factorization.

5668479391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 58.

The square root of 5668479391 is about 75289.3046255575. The cubic root of 5668479391 is about 1783.0171645005.

The spelling of 5668479391 in words is "five billion, six hundred sixty-eight million, four hundred seventy-nine thousand, three hundred ninety-one".