18305774043 has 8 divisors (see below), whose sum is σ = 24409463568. Its totient is φ = 12202966944.

The previous prime is 18305774041. The next prime is 18305774051. The reversal of 18305774043 is 34047750381.

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

It is not a de Polignac number, because 18305774043 - 2¹ = 18305774041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18305773986 and 18305774004.

It is not an unprimeable number, because it can be changed into a prime (18305774041) 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 7 ways as a sum of consecutive naturals, for example, 170580 + ... + 256337.

It is an arithmetic number, because the mean of its divisors is an integer number (3051182946).

Almost surely, 2^18305774043 is an apocalyptic number.

18305774043 is a deficient number, since it is larger than the sum of its proper divisors (6103689525).

18305774043 is a wasteful number, since it uses less digits than its factorization.

18305774043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441213.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 18305774043 in words is "eighteen billion, three hundred five million, seven hundred seventy-four thousand, forty-three".