675043389 has 20 divisors (see below), whose sum is σ = 1009096924. Its totient is φ = 449717184.

The previous prime is 675043379. The next prime is 675043403. The reversal of 675043389 is 983340576.

675043389 is a `hidden beast` number, since 67 + 504 + 3 + 3 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 607228164 + 67815225 = 24642^2 + 8235^2 .

It is not a de Polignac number, because 675043389 - 2⁹ = 675042877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675043309) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 229959 + ... + 232875.

Almost surely, 2^675043389 is an apocalyptic number.

It is an amenable number.

675043389 is a deficient number, since it is larger than the sum of its proper divisors (334053535).

675043389 is a wasteful number, since it uses less digits than its factorization.

675043389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786 (or 5777 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 675043389 is about 25981.5971218091. The cubic root of 675043389 is about 877.2241166472.

The spelling of 675043389 in words is "six hundred seventy-five million, forty-three thousand, three hundred eighty-nine".