494789589 has 12 divisors (see below), whose sum is σ = 816795616. Its totient is φ = 282736872.

The previous prime is 494789569. The next prime is 494789627. The reversal of 494789589 is 985987494.

494789589 is a `hidden beast` number, since 4 + 9 + 47 + 8 + 9 + 589 = 666.

It is not a de Polignac number, because 494789589 - 2²¹ = 492692437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 7853803 = 494789589 / (4 + 9 + 4 + 7 + 8 + 9 + 5 + 8 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494789569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3926839 + ... + 3926964.

Almost surely, 2^494789589 is an apocalyptic number.

It is an amenable number.

494789589 is a deficient number, since it is larger than the sum of its proper divisors (322006027).

494789589 is a wasteful number, since it uses less digits than its factorization.

494789589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853816 (or 7853813 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 494789589 is about 22243.8663231013. The cubic root of 494789589 is about 790.9338894361.

The spelling of 494789589 in words is "four hundred ninety-four million, seven hundred eighty-nine thousand, five hundred eighty-nine".