669233373583 has 4 divisors (see below), whose sum is σ = 671413287160. Its totient is φ = 667053460008.

The previous prime is 669233373581. The next prime is 669233373659. The reversal of 669233373583 is 385373332966.

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 669233373583 - 2¹ = 669233373581 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 (669233373581) 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, 1089956328 + ... + 1089956941.

It is an arithmetic number, because the mean of its divisors is an integer number (167853321790).

Almost surely, 2^669233373583 is an apocalyptic number.

669233373583 is a deficient number, since it is larger than the sum of its proper divisors (2179913577).

669233373583 is a wasteful number, since it uses less digits than its factorization.

669233373583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179913576.

The product of its digits is 44089920, while the sum is 58.

The spelling of 669233373583 in words is "six hundred sixty-nine billion, two hundred thirty-three million, three hundred seventy-three thousand, five hundred eighty-three".