669693357199 has 8 divisors (see below), whose sum is σ = 676606854672. Its totient is φ = 662785406400.

The previous prime is 669693357191. The next prime is 669693357217. The reversal of 669693357199 is 991753396966.

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 669693357199 - 2³ = 669693357191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669693357191) 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, 1143729 + ... + 1627114.

It is an arithmetic number, because the mean of its divisors is an integer number (84575856834).

Almost surely, 2^669693357199 is an apocalyptic number.

669693357199 is a deficient number, since it is larger than the sum of its proper divisors (6913497473).

669693357199 is a wasteful number, since it uses less digits than its factorization.

669693357199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773337.

The product of its digits is 446410440, while the sum is 73.

The spelling of 669693357199 in words is "six hundred sixty-nine billion, six hundred ninety-three million, three hundred fifty-seven thousand, one hundred ninety-nine".