669370283 has 2 divisors, whose sum is σ = 669370284. Its totient is φ = 669370282.

The previous prime is 669370277. The next prime is 669370301. The reversal of 669370283 is 382073966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 669370283 - 2¹⁶ = 669304747 is a prime.

It is a super-3 number, since 3×669370283³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (669370253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334685141 + 334685142.

It is an arithmetic number, because the mean of its divisors is an integer number (334685142).

Almost surely, 2^669370283 is an apocalyptic number.

669370283 is a deficient number, since it is larger than the sum of its proper divisors (1).

669370283 is an equidigital number, since it uses as much as digits as its factorization.

669370283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 669370283 is about 25872.1913064974. The cubic root of 669370283 is about 874.7597851616.

The spelling of 669370283 in words is "six hundred sixty-nine million, three hundred seventy thousand, two hundred eighty-three".