669233359 has 4 divisors (see below), whose sum is σ = 673665520. Its totient is φ = 664801200.

The previous prime is 669233353. The next prime is 669233387. The reversal of 669233359 is 953332966.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 669233359 - 2¹⁹ = 668709071 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 (669233353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2215854 + ... + 2216155.

It is an arithmetic number, because the mean of its divisors is an integer number (168416380).

Almost surely, 2^669233359 is an apocalyptic number.

669233359 is a deficient number, since it is larger than the sum of its proper divisors (4432161).

669233359 is a wasteful number, since it uses less digits than its factorization.

669233359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432160.

The product of its digits is 787320, while the sum is 46.

The square root of 669233359 is about 25869.5450095281. The cubic root of 669233359 is about 874.7001351792.

The spelling of 669233359 in words is "six hundred sixty-nine million, two hundred thirty-three thousand, three hundred fifty-nine".