669712314 has 16 divisors (see below), whose sum is σ = 1418214528. Its totient is φ = 210105792.

The previous prime is 669712291. The next prime is 669712319. The reversal of 669712314 is 413217966.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (669712319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282802 + ... + 3283005.

It is an arithmetic number, because the mean of its divisors is an integer number (88638408).

Almost surely, 2^669712314 is an apocalyptic number.

669712314 is an abundant number, since it is smaller than the sum of its proper divisors (748502214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669712314 is a wasteful number, since it uses less digits than its factorization.

669712314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565829.

The product of its digits is 54432, while the sum is 39.

The square root of 669712314 is about 25878.8004745197. The cubic root of 669712314 is about 874.9087530427.

The spelling of 669712314 in words is "six hundred sixty-nine million, seven hundred twelve thousand, three hundred fourteen".