18047533484 has 12 divisors (see below), whose sum is σ = 31585383144. Its totient is φ = 9023138304.

The previous prime is 18047533481. The next prime is 18047533499. The reversal of 18047533484 is 48433574081.

It is a super-2 number, since 2×18047533484² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18047533481) 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, 89237 + ... + 209900.

It is an arithmetic number, because the mean of its divisors is an integer number (2632115262).

Almost surely, 2^18047533484 is an apocalyptic number.

It is an amenable number.

18047533484 is a deficient number, since it is larger than the sum of its proper divisors (13537849660).

18047533484 is a wasteful number, since it uses less digits than its factorization.

18047533484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314224 (or 314222 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 18047533484 in words is "eighteen billion, forty-seven million, five hundred thirty-three thousand, four hundred eighty-four".