489845975 has 6 divisors (see below), whose sum is σ = 607409040. Its totient is φ = 391876760.

The previous prime is 489845971. The next prime is 489846001. The reversal of 489845975 is 579548984.

It is not a de Polignac number, because 489845975 - 2² = 489845971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489845971) 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 5 ways as a sum of consecutive naturals, for example, 9796895 + ... + 9796944.

It is an arithmetic number, because the mean of its divisors is an integer number (101234840).

Almost surely, 2^489845975 is an apocalyptic number.

489845975 is a deficient number, since it is larger than the sum of its proper divisors (117563065).

489845975 is a wasteful number, since it uses less digits than its factorization.

489845975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19593849 (or 19593844 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 59.

The square root of 489845975 is about 22132.4642776172. The cubic root of 489845975 is about 788.2909027348.

The spelling of 489845975 in words is "four hundred eighty-nine million, eight hundred forty-five thousand, nine hundred seventy-five".