489364668 has 36 divisors (see below), whose sum is σ = 1332160648. Its totient is φ = 150573600.

The previous prime is 489364661. The next prime is 489364679. The reversal of 489364668 is 866463984.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489364661) 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, 522358 + ... + 523293.

Almost surely, 2^489364668 is an apocalyptic number.

It is an amenable number.

489364668 is an abundant number, since it is smaller than the sum of its proper divisors (842795980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489364668 is a wasteful number, since it uses less digits than its factorization.

489364668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045674 (or 1045669 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The square root of 489364668 is about 22121.5882793257. The cubic root of 489364668 is about 788.0326349785.

The spelling of 489364668 in words is "four hundred eighty-nine million, three hundred sixty-four thousand, six hundred sixty-eight".