289849868325 has 144 divisors (see below), whose sum is σ = 551480417280. Its totient is φ = 145329500160.

The previous prime is 289849868317. The next prime is 289849868383. The reversal of 289849868325 is 523868948982.

289849868325 is a `hidden beast` number, since 2 + 89 + 84 + 98 + 68 + 325 = 666.

It is not a de Polignac number, because 289849868325 - 2³ = 289849868317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 30906037 + ... + 30915413.

It is an arithmetic number, because the mean of its divisors is an integer number (3829725120).

Almost surely, 2^289849868325 is an apocalyptic number.

289849868325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289849868325 is a deficient number, since it is larger than the sum of its proper divisors (261630548955).

289849868325 is a wasteful number, since it uses less digits than its factorization.

289849868325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556 (or 9548 counting only the distinct ones).

The product of its digits is 477757440, while the sum is 72.

The spelling of 289849868325 in words is "two hundred eighty-nine billion, eight hundred forty-nine million, eight hundred sixty-eight thousand, three hundred twenty-five".