669833343 has 6 divisors (see below), whose sum is σ = 967537064. Its totient is φ = 446555556.

The previous prime is 669833299. The next prime is 669833369. The reversal of 669833343 is 343338966.

It is not a de Polignac number, because 669833343 - 2⁶ = 669833279 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 (669833243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37212955 + ... + 37212972.

Almost surely, 2^669833343 is an apocalyptic number.

669833343 is a deficient number, since it is larger than the sum of its proper divisors (297703721).

669833343 is a wasteful number, since it uses less digits than its factorization.

669833343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74425933 (or 74425930 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 669833343 is about 25881.1387500628. The cubic root of 669833343 is about 874.9614537577.

The spelling of 669833343 in words is "six hundred sixty-nine million, eight hundred thirty-three thousand, three hundred forty-three".