489646219 has 4 divisors (see below), whose sum is σ = 489893896. Its totient is φ = 489398544.

The previous prime is 489646193. The next prime is 489646247. The reversal of 489646219 is 912646984.

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 489646219 - 2⁹ = 489645707 is a prime.

It is a super-2 number, since 2×489646219² = 479506839561991922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489646249) 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, 120849 + ... + 124834.

It is an arithmetic number, because the mean of its divisors is an integer number (122473474).

Almost surely, 2^489646219 is an apocalyptic number.

489646219 is a deficient number, since it is larger than the sum of its proper divisors (247677).

489646219 is a wasteful number, since it uses less digits than its factorization.

489646219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247676.

The product of its digits is 746496, while the sum is 49.

The square root of 489646219 is about 22127.9510800255. The cubic root of 489646219 is about 788.1837348664.

It can be divided in two parts, 4896 and 46219, that added together give a palindrome (51115).

The spelling of 489646219 in words is "four hundred eighty-nine million, six hundred forty-six thousand, two hundred nineteen".