489663965 has 8 divisors (see below), whose sum is σ = 671539200. Its totient is φ = 335769552.

The previous prime is 489663949. The next prime is 489664013. The reversal of 489663965 is 569366984.

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 489663965 - 2⁴ = 489663949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489663965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6995165 + ... + 6995234.

It is an arithmetic number, because the mean of its divisors is an integer number (83942400).

Almost surely, 2^489663965 is an apocalyptic number.

It is an amenable number.

489663965 is a deficient number, since it is larger than the sum of its proper divisors (181875235).

489663965 is a wasteful number, since it uses less digits than its factorization.

489663965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13990411.

The product of its digits is 8398080, while the sum is 56.

The square root of 489663965 is about 22128.3520624560. The cubic root of 489663965 is about 788.1932566661.

The spelling of 489663965 in words is "four hundred eighty-nine million, six hundred sixty-three thousand, nine hundred sixty-five".