489784644801 has 36 divisors (see below), whose sum is σ = 733667059476. Its totient is φ = 314847794880.

The previous prime is 489784644773. The next prime is 489784644823. The reversal of 489784644801 is 108446487984.

489784644801 is a `hidden beast` number, since 4 + 8 + 97 + 8 + 4 + 64 + 480 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 131079478401 + 358705166400 = 362049^2 + 598920^2 .

It is not a de Polignac number, because 489784644801 - 2⁶ = 489784644737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489784644841) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2293555 + ... + 2497991.

It is an arithmetic number, because the mean of its divisors is an integer number (20379640541).

Almost surely, 2^489784644801 is an apocalyptic number.

It is an amenable number.

489784644801 is a deficient number, since it is larger than the sum of its proper divisors (243882414675).

489784644801 is a wasteful number, since it uses less digits than its factorization.

489784644801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204782 (or 204748 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 63.

The spelling of 489784644801 in words is "four hundred eighty-nine billion, seven hundred eighty-four million, six hundred forty-four thousand, eight hundred one".