489163768 has 16 divisors (see below), whose sum is σ = 925755480. Its totient is φ = 242295648.

The previous prime is 489163723. The next prime is 489163771. The reversal of 489163768 is 867361984.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284871 + ... + 286582.

Almost surely, 2^489163768 is an apocalyptic number.

It is an amenable number.

489163768 is a deficient number, since it is larger than the sum of its proper divisors (436591712).

489163768 is a wasteful number, since it uses less digits than its factorization.

489163768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571566 (or 571562 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 489163768 is about 22117.0469999953. The cubic root of 489163768 is about 787.9247826029.

The spelling of 489163768 in words is "four hundred eighty-nine million, one hundred sixty-three thousand, seven hundred sixty-eight".