6666673339 has 2 divisors, whose sum is σ = 6666673340. Its totient is φ = 6666673338.

The previous prime is 6666673309. The next prime is 6666673361. The reversal of 6666673339 is 9333766666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6666673339 - 2⁹ = 6666672827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6666673339.

It is not a weakly prime, because it can be changed into another prime (6666673309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333336669 + 3333336670.

It is an arithmetic number, because the mean of its divisors is an integer number (3333336670).

Almost surely, 2^6666673339 is an apocalyptic number.

6666673339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666673339 is an equidigital number, since it uses as much as digits as its factorization.

6666673339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 55.

The square root of 6666673339 is about 81649.6989522925. The cubic root of 6666673339 is about 1882.0726856525.

The spelling of 6666673339 in words is "six billion, six hundred sixty-six million, six hundred seventy-three thousand, three hundred thirty-nine".