289855821484 has 12 divisors (see below), whose sum is σ = 509482260504. Its totient is φ = 144289461344.

The previous prime is 289855821427. The next prime is 289855821509. The reversal of 289855821484 is 484128558982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159611329 + ... + 159613144.

It is an arithmetic number, because the mean of its divisors is an integer number (42456855042).

Almost surely, 2^289855821484 is an apocalyptic number.

It is an amenable number.

289855821484 is a deficient number, since it is larger than the sum of its proper divisors (219626439020).

289855821484 is a wasteful number, since it uses less digits than its factorization.

289855821484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319224704 (or 319224702 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 64.

The spelling of 289855821484 in words is "two hundred eighty-nine billion, eight hundred fifty-five million, eight hundred twenty-one thousand, four hundred eighty-four".