669343363 has 24 divisors (see below), whose sum is σ = 771129968. Its totient is φ = 577414656.

The previous prime is 669343349. The next prime is 669343373. The reversal of 669343363 is 363343966.

It is not a de Polignac number, because 669343363 - 2⁵ = 669343331 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669343303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 611845 + ... + 612937.

Almost surely, 2^669343363 is an apocalyptic number.

669343363 is a deficient number, since it is larger than the sum of its proper divisors (101786605).

669343363 is a wasteful number, since it uses less digits than its factorization.

669343363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1286 counting only the distinct ones).

The product of its digits is 629856, while the sum is 43.

The square root of 669343363 is about 25871.6710515575. The cubic root of 669343363 is about 874.7480582945.

The spelling of 669343363 in words is "six hundred sixty-nine million, three hundred forty-three thousand, three hundred sixty-three".