489899509 has 8 divisors (see below), whose sum is σ = 536732352. Its totient is φ = 443449440.

The previous prime is 489899507. The next prime is 489899587. The reversal of 489899509 is 905998984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489899509 - 2¹ = 489899507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489899507) 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 7 ways as a sum of consecutive naturals, for example, 93009 + ... + 98134.

It is an arithmetic number, because the mean of its divisors is an integer number (67091544).

Almost surely, 2^489899509 is an apocalyptic number.

It is an amenable number.

489899509 is a deficient number, since it is larger than the sum of its proper divisors (46832843).

489899509 is a wasteful number, since it uses less digits than its factorization.

489899509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191387.

The product of its (nonzero) digits is 8398080, while the sum is 61.

The square root of 489899509 is about 22133.6736444721. The cubic root of 489899509 is about 788.3196184469.

It can be divided in two parts, 489 and 899509, that added together give a palindrome (899998).

The spelling of 489899509 in words is "four hundred eighty-nine million, eight hundred ninety-nine thousand, five hundred nine".