669363715 has 8 divisors (see below), whose sum is σ = 806598720. Its totient is φ = 533249472.

The previous prime is 669363683. The next prime is 669363719. The reversal of 669363715 is 517363966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 669363715 - 2⁵ = 669363683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669363719) 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, 278874 + ... + 281263.

It is an arithmetic number, because the mean of its divisors is an integer number (100824840).

Almost surely, 2^669363715 is an apocalyptic number.

669363715 is a deficient number, since it is larger than the sum of its proper divisors (137235005).

669363715 is a wasteful number, since it uses less digits than its factorization.

669363715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560381.

The product of its digits is 612360, while the sum is 46.

The square root of 669363715 is about 25872.0643745334. The cubic root of 669363715 is about 874.7569240441.

The spelling of 669363715 in words is "six hundred sixty-nine million, three hundred sixty-three thousand, seven hundred fifteen".