18184213382 has 4 divisors (see below), whose sum is σ = 27276320076. Its totient is φ = 9092106690.

The previous prime is 18184213363. The next prime is 18184213391. The reversal of 18184213382 is 28331248181.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4546053344 + ... + 4546053347.

It is an arithmetic number, because the mean of its divisors is an integer number (6819080019).

Almost surely, 2^18184213382 is an apocalyptic number.

18184213382 is a deficient number, since it is larger than the sum of its proper divisors (9092106694).

18184213382 is an equidigital number, since it uses as much as digits as its factorization.

18184213382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9092106693.

The product of its digits is 73728, while the sum is 41.

The spelling of 18184213382 in words is "eighteen billion, one hundred eighty-four million, two hundred thirteen thousand, three hundred eighty-two".