489818219 has 6 divisors (see below), whose sum is σ = 534427236. Its totient is φ = 445222560.

The previous prime is 489818213. The next prime is 489818221. The reversal of 489818219 is 912818984.

It is a happy number.

It is not a de Polignac number, because 489818219 - 2¹² = 489814123 is a prime.

It is a super-2 number, since 2×489818219² = 479843775328663922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489818213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70067 + ... + 76739.

It is an arithmetic number, because the mean of its divisors is an integer number (89071206).

Almost surely, 2^489818219 is an apocalyptic number.

489818219 is a deficient number, since it is larger than the sum of its proper divisors (44609017).

489818219 is an frugal number, since it uses more digits than its factorization.

489818219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357 (or 6684 counting only the distinct ones).

The product of its digits is 331776, while the sum is 50.

The square root of 489818219 is about 22131.8372260416. The cubic root of 489818219 is about 788.2760135542.

The spelling of 489818219 in words is "four hundred eighty-nine million, eight hundred eighteen thousand, two hundred nineteen".