5668376639 has 2 divisors, whose sum is σ = 5668376640. Its totient is φ = 5668376638.

The previous prime is 5668376633. The next prime is 5668376663. The reversal of 5668376639 is 9366738665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5668376639 - 2²⁴ = 5651599423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5668376633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834188319 + 2834188320.

It is an arithmetic number, because the mean of its divisors is an integer number (2834188320).

Almost surely, 2^5668376639 is an apocalyptic number.

5668376639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668376639 is an equidigital number, since it uses as much as digits as its factorization.

5668376639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 59.

The square root of 5668376639 is about 75288.6222413453. The cubic root of 5668376639 is about 1783.0063909065.

The spelling of 5668376639 in words is "five billion, six hundred sixty-eight million, three hundred seventy-six thousand, six hundred thirty-nine".