673189669 has 4 divisors (see below), whose sum is σ = 683237344. Its totient is φ = 663141996.

The previous prime is 673189663. The next prime is 673189687. The reversal of 673189669 is 966981376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 673189669 - 2⁵ = 673189637 is a prime.

It is a super-2 number, since 2×673189669² = 906368660896659122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673189663) 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, 5023737 + ... + 5023870.

It is an arithmetic number, because the mean of its divisors is an integer number (170809336).

Almost surely, 2^673189669 is an apocalyptic number.

It is an amenable number.

673189669 is a deficient number, since it is larger than the sum of its proper divisors (10047675).

673189669 is a wasteful number, since it uses less digits than its factorization.

673189669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047674.

The product of its digits is 2939328, while the sum is 55.

The square root of 673189669 is about 25945.8988859511. The cubic root of 673189669 is about 876.4204060112.

The spelling of 673189669 in words is "six hundred seventy-three million, one hundred eighty-nine thousand, six hundred sixty-nine".