18689483366 has 4 divisors (see below), whose sum is σ = 28034225052. Its totient is φ = 9344741682.

The previous prime is 18689483357. The next prime is 18689483387. The reversal of 18689483366 is 66338498681.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 18689483299 and 18689483308.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4672370840 + ... + 4672370843.

It is an arithmetic number, because the mean of its divisors is an integer number (7008556263).

Almost surely, 2^18689483366 is an apocalyptic number.

18689483366 is a deficient number, since it is larger than the sum of its proper divisors (9344741686).

18689483366 is an equidigital number, since it uses as much as digits as its factorization.

18689483366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9344741685.

The product of its digits is 35831808, while the sum is 62.

The spelling of 18689483366 in words is "eighteen billion, six hundred eighty-nine million, four hundred eighty-three thousand, three hundred sixty-six".