489879963 has 24 divisors (see below), whose sum is σ = 729748656. Its totient is φ = 316440000.

The previous prime is 489879953. The next prime is 489879989. The reversal of 489879963 is 369978984.

489879963 is a `hidden beast` number, since 489 + 8 + 7 + 99 + 63 = 666.

It is not a de Polignac number, because 489879963 - 2⁸ = 489879707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489879963.

It is not an unprimeable number, because it can be changed into a prime (489879953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80653 + ... + 86513.

It is an arithmetic number, because the mean of its divisors is an integer number (30406194).

Almost surely, 2^489879963 is an apocalyptic number.

489879963 is a deficient number, since it is larger than the sum of its proper divisors (239868693).

489879963 is a wasteful number, since it uses less digits than its factorization.

489879963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155 (or 6152 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 489879963 is about 22133.2320956520. The cubic root of 489879963 is about 788.3091341878.

The spelling of 489879963 in words is "four hundred eighty-nine million, eight hundred seventy-nine thousand, nine hundred sixty-three".