18066453459 has 4 divisors (see below), whose sum is σ = 24088604616. Its totient is φ = 12044302304.

The previous prime is 18066453421. The next prime is 18066453467. The reversal of 18066453459 is 95435466081.

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

It is a cyclic number.

It is not a de Polignac number, because 18066453459 - 2⁹ = 18066452947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18066453359) 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 3 ways as a sum of consecutive naturals, for example, 3011075574 + ... + 3011075579.

It is an arithmetic number, because the mean of its divisors is an integer number (6022151154).

Almost surely, 2^18066453459 is an apocalyptic number.

18066453459 is a deficient number, since it is larger than the sum of its proper divisors (6022151157).

18066453459 is an equidigital number, since it uses as much as digits as its factorization.

18066453459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022151156.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 18066453459 in words is "eighteen billion, sixty-six million, four hundred fifty-three thousand, four hundred fifty-nine".