18384048575 has 24 divisors (see below), whose sum is σ = 23543957376. Its totient is φ = 14225328000.

The previous prime is 18384048569. The next prime is 18384048587. The reversal of 18384048575 is 57584048381.

It is not a de Polignac number, because 18384048575 - 2³⁰ = 17310306751 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1809209 + ... + 1819341.

It is an arithmetic number, because the mean of its divisors is an integer number (980998224).

Almost surely, 2^18384048575 is an apocalyptic number.

18384048575 is a deficient number, since it is larger than the sum of its proper divisors (5159908801).

18384048575 is a wasteful number, since it uses less digits than its factorization.

18384048575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515 (or 12510 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 18384048575 in words is "eighteen billion, three hundred eighty-four million, forty-eight thousand, five hundred seventy-five".