5666499379 has 2 divisors, whose sum is σ = 5666499380. Its totient is φ = 5666499378.

The previous prime is 5666499361. The next prime is 5666499383. The reversal of 5666499379 is 9739946665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5666499379 - 2⁹ = 5666498867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5666499379.

It is not a weakly prime, because it can be changed into another prime (5666499389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833249689 + 2833249690.

It is an arithmetic number, because the mean of its divisors is an integer number (2833249690).

Almost surely, 2^5666499379 is an apocalyptic number.

5666499379 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666499379 is an equidigital number, since it uses as much as digits as its factorization.

5666499379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66134880, while the sum is 64.

The square root of 5666499379 is about 75276.1541193491. The cubic root of 5666499379 is about 1782.8095364180.

The spelling of 5666499379 in words is "five billion, six hundred sixty-six million, four hundred ninety-nine thousand, three hundred seventy-nine".