489815678223 has 12 divisors (see below), whose sum is σ = 711464115960. Its totient is φ = 324719517456.

The previous prime is 489815678153. The next prime is 489815678227. The reversal of 489815678223 is 322876518984.

489815678223 is a `hidden beast` number, since 48 + 9 + 8 + 1 + 567 + 8 + 2 + 23 = 666.

It is not a de Polignac number, because 489815678223 - 2⁹ = 489815677711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489815678227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152020636 + ... + 152023857.

It is an arithmetic number, because the mean of its divisors is an integer number (59288676330).

Almost surely, 2^489815678223 is an apocalyptic number.

489815678223 is a deficient number, since it is larger than the sum of its proper divisors (221648437737).

489815678223 is a wasteful number, since it uses less digits than its factorization.

489815678223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304044678 (or 304044675 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 489815678223 in words is "four hundred eighty-nine billion, eight hundred fifteen million, six hundred seventy-eight thousand, two hundred twenty-three".