285248232289 has 8 divisors (see below), whose sum is σ = 295249930560. Its totient is φ = 275257570896.

The previous prime is 285248232287. The next prime is 285248232293. The reversal of 285248232289 is 982232842582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285248232289 - 2¹ = 285248232287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285248232281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706607 + ... + 2810020.

It is an arithmetic number, because the mean of its divisors is an integer number (36906241320).

Almost surely, 2^285248232289 is an apocalyptic number.

285248232289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

285248232289 is a deficient number, since it is larger than the sum of its proper divisors (10001698271).

285248232289 is a wasteful number, since it uses less digits than its factorization.

285248232289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518439.

The product of its digits is 8847360, while the sum is 55.

The spelling of 285248232289 in words is "two hundred eighty-five billion, two hundred forty-eight million, two hundred thirty-two thousand, two hundred eighty-nine".