669683343 has 24 divisors (see below), whose sum is σ = 1045344432. Its totient is φ = 380225664.

The previous prime is 669683323. The next prime is 669683383. The reversal of 669683343 is 343386966.

It is not a de Polignac number, because 669683343 - 2¹³ = 669675151 is a prime.

It is a super-4 number, since 4×669683343⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 669683292 and 669683301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669683303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8571 + ... + 37587.

It is an arithmetic number, because the mean of its divisors is an integer number (43556018).

Almost surely, 2^669683343 is an apocalyptic number.

669683343 is a deficient number, since it is larger than the sum of its proper divisors (375661089).

669683343 is a wasteful number, since it uses less digits than its factorization.

669683343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29191 (or 29184 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 48.

The square root of 669683343 is about 25878.2407245933. The cubic root of 669683343 is about 874.8961370052.

The spelling of 669683343 in words is "six hundred sixty-nine million, six hundred eighty-three thousand, three hundred forty-three".