18304718043 has 8 divisors (see below), whose sum is σ = 24443216656. Its totient is φ = 12184682400.

The previous prime is 18304718039. The next prime is 18304718141. The reversal of 18304718043 is 34081740381.

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

It is not a de Polignac number, because 18304718043 - 2² = 18304718039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18304717992 and 18304718010.

It is not an unprimeable number, because it can be changed into a prime (18304710043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4613428 + ... + 4617393.

It is an arithmetic number, because the mean of its divisors is an integer number (3055402082).

Almost surely, 2^18304718043 is an apocalyptic number.

18304718043 is a deficient number, since it is larger than the sum of its proper divisors (6138498613).

18304718043 is an equidigital number, since it uses as much as digits as its factorization.

18304718043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231485.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 18304718043 in words is "eighteen billion, three hundred four million, seven hundred eighteen thousand, forty-three".