673333333989 has 4 divisors (see below), whose sum is σ = 897777778656. Its totient is φ = 448888889324.

The previous prime is 673333333987. The next prime is 673333334017. The reversal of 673333333989 is 989333333376.

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 673333333989 - 2¹ = 673333333987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673333333987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112222222329 + ... + 112222222334.

It is an arithmetic number, because the mean of its divisors is an integer number (224444444664).

Almost surely, 2^673333333989 is an apocalyptic number.

It is an amenable number.

673333333989 is a deficient number, since it is larger than the sum of its proper divisors (224444444667).

673333333989 is a wasteful number, since it uses less digits than its factorization.

673333333989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224444444666.

The product of its digits is 59521392, while the sum is 60.

The spelling of 673333333989 in words is "six hundred seventy-three billion, three hundred thirty-three million, three hundred thirty-three thousand, nine hundred eighty-nine".