6666667407313 has 2 divisors, whose sum is σ = 6666667407314. Its totient is φ = 6666667407312.

The previous prime is 6666667407271. The next prime is 6666667407343. The reversal of 6666667407313 is 3137047666666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6203053491649 + 463613915664 = 2490593^2 + 680892^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666667407313 - 2⁹ = 6666667406801 is a prime.

It is not a weakly prime, because it can be changed into another prime (6666667407343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333333703656 + 3333333703657.

It is an arithmetic number, because the mean of its divisors is an integer number (3333333703657).

Almost surely, 2^{6666667407313} is an apocalyptic number.

It is an amenable number.

6666667407313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666667407313 is an equidigital number, since it uses as much as digits as its factorization.

6666667407313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82301184, while the sum is 61.

The spelling of 6666667407313 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-seven million, four hundred seven thousand, three hundred thirteen".