489949812968 has 48 divisors (see below), whose sum is σ = 1154014038240. Its totient is φ = 190889534880.

The previous prime is 489949812923. The next prime is 489949812983. The reversal of 489949812968 is 869218949984.

It is a Harshad number since it is a multiple of its sum of digits (77).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36146546 + ... + 36160097.

It is an arithmetic number, because the mean of its divisors is an integer number (24041959130).

Almost surely, 2^489949812968 is an apocalyptic number.

It is an amenable number.

489949812968 is an abundant number, since it is smaller than the sum of its proper divisors (664064225272).

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

489949812968 is a wasteful number, since it uses less digits than its factorization.

489949812968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72306678 (or 72306663 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 77.

The spelling of 489949812968 in words is "four hundred eighty-nine billion, nine hundred forty-nine million, eight hundred twelve thousand, nine hundred sixty-eight".