489648499 has 8 divisors (see below), whose sum is σ = 508939920. Its totient is φ = 470517600.

The previous prime is 489648461. The next prime is 489648539. The reversal of 489648499 is 994846984.

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

It is a cyclic number.

It is not a de Polignac number, because 489648499 - 2²⁷ = 355430771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489648899) 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, 33892 + ... + 46129.

It is an arithmetic number, because the mean of its divisors is an integer number (63617490).

Almost surely, 2^489648499 is an apocalyptic number.

489648499 is a deficient number, since it is larger than the sum of its proper divisors (19291421).

489648499 is a wasteful number, since it uses less digits than its factorization.

489648499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80261.

The product of its digits is 17915904, while the sum is 61.

The square root of 489648499 is about 22128.0025985176. The cubic root of 489648499 is about 788.1849582369.

The spelling of 489648499 in words is "four hundred eighty-nine million, six hundred forty-eight thousand, four hundred ninety-nine".