489534659 has 4 divisors (see below), whose sum is σ = 498771216. Its totient is φ = 480298104.

The previous prime is 489534649. The next prime is 489534667. The reversal of 489534659 is 956435984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489534659 - 2¹² = 489530563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 9236503 = 489534659 / (4 + 8 + 9 + 5 + 3 + 4 + 6 + 5 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489534659.

It is not an unprimeable number, because it can be changed into a prime (489534649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4618199 + ... + 4618304.

It is an arithmetic number, because the mean of its divisors is an integer number (124692804).

Almost surely, 2^489534659 is an apocalyptic number.

489534659 is a deficient number, since it is larger than the sum of its proper divisors (9236557).

489534659 is an equidigital number, since it uses as much as digits as its factorization.

489534659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236556.

The product of its digits is 4665600, while the sum is 53.

The square root of 489534659 is about 22125.4301427114. The cubic root of 489534659 is about 788.1238709260.

The spelling of 489534659 in words is "four hundred eighty-nine million, five hundred thirty-four thousand, six hundred fifty-nine".