489614689 has 4 divisors (see below), whose sum is σ = 498852756. Its totient is φ = 480376624.

The previous prime is 489614687. The next prime is 489614693. The reversal of 489614689 is 986416984.

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

It can be written as a sum of positive squares in 2 ways, for example, as 391446225 + 98168464 = 19785^2 + 9908^2 .

It is a cyclic number.

It is not a de Polignac number, because 489614689 - 2¹ = 489614687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489614687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4618954 + ... + 4619059.

It is an arithmetic number, because the mean of its divisors is an integer number (124713189).

Almost surely, 2^489614689 is an apocalyptic number.

It is an amenable number.

489614689 is a deficient number, since it is larger than the sum of its proper divisors (9238067).

489614689 is an equidigital number, since it uses as much as digits as its factorization.

489614689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238066.

The product of its digits is 2985984, while the sum is 55.

The square root of 489614689 is about 22127.2386212107. The cubic root of 489614689 is about 788.1668165516.

The spelling of 489614689 in words is "four hundred eighty-nine million, six hundred fourteen thousand, six hundred eighty-nine".