669020044307 has 2 divisors, whose sum is σ = 669020044308. Its totient is φ = 669020044306.

The previous prime is 669020044291. The next prime is 669020044331. The reversal of 669020044307 is 703440020966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 669020044307 - 2⁴ = 669020044291 is a prime.

It is a super-2 number, since 2×669020044307² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (669020044397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334510022153 + 334510022154.

It is an arithmetic number, because the mean of its divisors is an integer number (334510022154).

Almost surely, 2^669020044307 is an apocalyptic number.

669020044307 is a deficient number, since it is larger than the sum of its proper divisors (1).

669020044307 is an equidigital number, since it uses as much as digits as its factorization.

669020044307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 669020044307 in words is "six hundred sixty-nine billion, twenty million, forty-four thousand, three hundred seven".