489518745 has 32 divisors (see below), whose sum is σ = 794223360. Its totient is φ = 257433600.

The previous prime is 489518741. The next prime is 489518747. The reversal of 489518745 is 547815984.

It is not a de Polignac number, because 489518745 - 2² = 489518741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489518741) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 583036 + ... + 583874.

It is an arithmetic number, because the mean of its divisors is an integer number (24819480).

Almost surely, 2^489518745 is an apocalyptic number.

It is an amenable number.

489518745 is a deficient number, since it is larger than the sum of its proper divisors (304704615).

489518745 is a wasteful number, since it uses less digits than its factorization.

489518745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its digits is 1612800, while the sum is 51.

The square root of 489518745 is about 22125.0705083622. The cubic root of 489518745 is about 788.1153306120.

The spelling of 489518745 in words is "four hundred eighty-nine million, five hundred eighteen thousand, seven hundred forty-five".