6670706445563 has 2 divisors, whose sum is σ = 6670706445564. Its totient is φ = 6670706445562.

The previous prime is 6670706445521. The next prime is 6670706445593. The reversal of 6670706445563 is 3655446070766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6670706445563 - 2⁴⁰ = 5571194817787 is a prime.

It is not a weakly prime, because it can be changed into another prime (6670706445593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335353222781 + 3335353222782.

It is an arithmetic number, because the mean of its divisors is an integer number (3335353222782).

Almost surely, 2^{6670706445563} is an apocalyptic number.

6670706445563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6670706445563 is an equidigital number, since it uses as much as digits as its factorization.

6670706445563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76204800, while the sum is 59.

The spelling of 6670706445563 in words is "six trillion, six hundred seventy billion, seven hundred six million, four hundred forty-five thousand, five hundred sixty-three".