669683458351 has 8 divisors (see below), whose sum is σ = 675920088800. Its totient is φ = 663448514400.

The previous prime is 669683458343. The next prime is 669683458361. The reversal of 669683458351 is 153854386966.

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 669683458351 - 2³ = 669683458343 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 (669683458361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383365 + ... + 1219153.

It is an arithmetic number, because the mean of its divisors is an integer number (84490011100).

Almost surely, 2^669683458351 is an apocalyptic number.

669683458351 is a deficient number, since it is larger than the sum of its proper divisors (6236630449).

669683458351 is a wasteful number, since it uses less digits than its factorization.

669683458351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843249.

The product of its digits is 111974400, while the sum is 64.

The spelling of 669683458351 in words is "six hundred sixty-nine billion, six hundred eighty-three million, four hundred fifty-eight thousand, three hundred fifty-one".