6666244313 has 2 divisors, whose sum is σ = 6666244314. Its totient is φ = 6666244312.

The previous prime is 6666244303. The next prime is 6666244327. The reversal of 6666244313 is 3134426666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5469637849 + 1196606464 = 73957^2 + 34592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6666244313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6666244303) 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, 3333122156 + 3333122157.

It is an arithmetic number, because the mean of its divisors is an integer number (3333122157).

Almost surely, 2^6666244313 is an apocalyptic number.

It is an amenable number.

6666244313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666244313 is an equidigital number, since it uses as much as digits as its factorization.

6666244313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 41.

The square root of 6666244313 is about 81647.0716743718. The cubic root of 6666244313 is about 1882.0323119210.

The spelling of 6666244313 in words is "six billion, six hundred sixty-six million, two hundred forty-four thousand, three hundred thirteen".