489364505 has 8 divisors (see below), whose sum is σ = 671128512. Its totient is φ = 335564208.

The previous prime is 489364471. The next prime is 489364507. The reversal of 489364505 is 505463984.

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

It is not a de Polignac number, because 489364505 - 2¹⁰ = 489363481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489364507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6990887 + ... + 6990956.

It is an arithmetic number, because the mean of its divisors is an integer number (83891064).

Almost surely, 2^489364505 is an apocalyptic number.

It is an amenable number.

489364505 is a deficient number, since it is larger than the sum of its proper divisors (181764007).

489364505 is a wasteful number, since it uses less digits than its factorization.

489364505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13981855.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 489364505 is about 22121.5845951415. The cubic root of 489364505 is about 788.0325474845.

The spelling of 489364505 in words is "four hundred eighty-nine million, three hundred sixty-four thousand, five hundred five".