489270863 has 4 divisors (see below), whose sum is σ = 518051520. Its totient is φ = 460490208.

The previous prime is 489270857. The next prime is 489270877. The reversal of 489270863 is 368072984.

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 489270863 - 2¹⁰ = 489269839 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 (489270823) 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 3 ways as a sum of consecutive naturals, for example, 14390303 + ... + 14390336.

It is an arithmetic number, because the mean of its divisors is an integer number (129512880).

Almost surely, 2^489270863 is an apocalyptic number.

489270863 is a deficient number, since it is larger than the sum of its proper divisors (28780657).

489270863 is a wasteful number, since it uses less digits than its factorization.

489270863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28780656.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 489270863 is about 22119.4679637644. The cubic root of 489270863 is about 787.9822798071.

The spelling of 489270863 in words is "four hundred eighty-nine million, two hundred seventy thousand, eight hundred sixty-three".