673205489 has 8 divisors (see below), whose sum is σ = 744467232. Its totient is φ = 603620640.

The previous prime is 673205483. The next prime is 673205497. The reversal of 673205489 is 984502376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673205489 - 2⁸ = 673205233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673205483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418379 + ... + 419984.

It is an arithmetic number, because the mean of its divisors is an integer number (93058404).

Almost surely, 2^673205489 is an apocalyptic number.

It is an amenable number.

673205489 is a deficient number, since it is larger than the sum of its proper divisors (71261743).

673205489 is a wasteful number, since it uses less digits than its factorization.

673205489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838447.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 673205489 is about 25946.2037492964. The cubic root of 673205489 is about 876.4272712692.

It can be divided in two parts, 6 and 73205489, that multiplied together give a palindrome (439232934).

The spelling of 673205489 in words is "six hundred seventy-three million, two hundred five thousand, four hundred eighty-nine".