673395289 has 24 divisors (see below), whose sum is σ = 804456960. Its totient is φ = 561847104.

The previous prime is 673395277. The next prime is 673395319. The reversal of 673395289 is 982593376.

It is not a de Polignac number, because 673395289 - 2⁵ = 673395257 is a prime.

It is a super-2 number, since 2×673395289² = 906922430494787042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673395209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281392 + ... + 283774.

It is an arithmetic number, because the mean of its divisors is an integer number (33519040).

Almost surely, 2^673395289 is an apocalyptic number.

It is an amenable number.

673395289 is a deficient number, since it is larger than the sum of its proper divisors (131061671).

673395289 is a wasteful number, since it uses less digits than its factorization.

673395289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2542 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The square root of 673395289 is about 25949.8610593583. The cubic root of 673395289 is about 876.5096286219.

The spelling of 673395289 in words is "six hundred seventy-three million, three hundred ninety-five thousand, two hundred eighty-nine".