1823682489 has 16 divisors (see below), whose sum is σ = 2538499200. Its totient is φ = 1162377216.

The previous prime is 1823682473. The next prime is 1823682493. The reversal of 1823682489 is 9842863281.

It is not a de Polignac number, because 1823682489 - 2⁴ = 1823682473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1823602489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 180627 + ... + 190455.

It is an arithmetic number, because the mean of its divisors is an integer number (158656200).

Almost surely, 2^1823682489 is an apocalyptic number.

It is an amenable number.

1823682489 is a deficient number, since it is larger than the sum of its proper divisors (714816711).

1823682489 is a wasteful number, since it uses less digits than its factorization.

1823682489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12544.

The product of its digits is 1327104, while the sum is 51.

The square root of 1823682489 is about 42704.5956426238. The cubic root of 1823682489 is about 1221.7520488691.

The spelling of 1823682489 in words is "one billion, eight hundred twenty-three million, six hundred eighty-two thousand, four hundred eighty-nine".