5668919 has 2 divisors, whose sum is σ = 5668920. Its totient is φ = 5668918.

The previous prime is 5668909. The next prime is 5668951. The reversal of 5668919 is 9198665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5668919 - 2⁴ = 5668903 is a prime.

It is a super-2 number, since 2×5668919² = 64273285257122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5668919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5668909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834459 + 2834460.

It is an arithmetic number, because the mean of its divisors is an integer number (2834460).

Almost surely, 2^5668919 is an apocalyptic number.

5668919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668919 is an equidigital number, since it uses as much as digits as its factorization.

5668919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 44.

The square root of 5668919 is about 2380.9491804740. The cubic root of 5668919 is about 178.3063256234.

The spelling of 5668919 in words is "five million, six hundred sixty-eight thousand, nine hundred nineteen".