669070014089 has 2 divisors, whose sum is σ = 669070014090. Its totient is φ = 669070014088.

The previous prime is 669070014083. The next prime is 669070014103. The reversal of 669070014089 is 980410070966.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 648789975625 + 20280038464 = 805475^2 + 142408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-669070014089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (669070014083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334535007044 + 334535007045.

It is an arithmetic number, because the mean of its divisors is an integer number (334535007045).

Almost surely, 2^669070014089 is an apocalyptic number.

It is an amenable number.

669070014089 is a deficient number, since it is larger than the sum of its proper divisors (1).

669070014089 is an equidigital number, since it uses as much as digits as its factorization.

669070014089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 669070014089 in words is "six hundred sixty-nine billion, seventy million, fourteen thousand, eighty-nine".