669486315 has 16 divisors (see below), whose sum is σ = 1108116000. Its totient is φ = 344746752.

The previous prime is 669486289. The next prime is 669486317. The reversal of 669486315 is 513684966.

It is not a de Polignac number, because 669486315 - 2⁷ = 669486187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669486317) 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 in 15 ways as a sum of consecutive naturals, for example, 769090 + ... + 769959.

It is an arithmetic number, because the mean of its divisors is an integer number (69257250).

Almost surely, 2^669486315 is an apocalyptic number.

669486315 is a deficient number, since it is larger than the sum of its proper divisors (438629685).

669486315 is a wasteful number, since it uses less digits than its factorization.

669486315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539086.

The product of its digits is 933120, while the sum is 48.

The square root of 669486315 is about 25874.4336169896. The cubic root of 669486315 is about 874.8103273232.

The spelling of 669486315 in words is "six hundred sixty-nine million, four hundred eighty-six thousand, three hundred fifteen".