489461189 has 4 divisors (see below), whose sum is σ = 559384224. Its totient is φ = 419538156.

The previous prime is 489461179. The next prime is 489461207. The reversal of 489461189 is 981164984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489461189 - 2⁴ = 489461173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489461129) 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, 34961507 + ... + 34961520.

It is an arithmetic number, because the mean of its divisors is an integer number (139846056).

Almost surely, 2^489461189 is an apocalyptic number.

It is an amenable number.

489461189 is a deficient number, since it is larger than the sum of its proper divisors (69923035).

489461189 is an equidigital number, since it uses as much as digits as its factorization.

489461189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69923034.

The product of its digits is 497664, while the sum is 50.

The square root of 489461189 is about 22123.7697737072. The cubic root of 489461189 is about 788.0844414006.

The spelling of 489461189 in words is "four hundred eighty-nine million, four hundred sixty-one thousand, one hundred eighty-nine".