489895641 has 16 divisors (see below), whose sum is σ = 727876800. Its totient is φ = 325649664.

The previous prime is 489895633. The next prime is 489895657. The reversal of 489895641 is 146598984.

It is not a de Polignac number, because 489895641 - 2³ = 489895633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489895621) 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 15 ways as a sum of consecutive naturals, for example, 16776 + ... + 35513.

It is an arithmetic number, because the mean of its divisors is an integer number (45492300).

Almost surely, 2^489895641 is an apocalyptic number.

It is an amenable number.

489895641 is a deficient number, since it is larger than the sum of its proper divisors (237981159).

489895641 is a wasteful number, since it uses less digits than its factorization.

489895641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52645 (or 52639 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 489895641 is about 22133.5862661251. The cubic root of 489895641 is about 788.3175437164.

The spelling of 489895641 in words is "four hundred eighty-nine million, eight hundred ninety-five thousand, six hundred forty-one".