18528982959 has 16 divisors (see below), whose sum is σ = 25138105344. Its totient is φ = 12136706400.

The previous prime is 18528982957. The next prime is 18528982993. The reversal of 18528982959 is 95928982581.

It is not a de Polignac number, because 18528982959 - 2¹ = 18528982957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18528982959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18528982957) 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 15 ways as a sum of consecutive naturals, for example, 111142 + ... + 222284.

It is an arithmetic number, because the mean of its divisors is an integer number (1571131584).

Almost surely, 2^18528982959 is an apocalyptic number.

18528982959 is a deficient number, since it is larger than the sum of its proper divisors (6609122385).

18528982959 is a wasteful number, since it uses less digits than its factorization.

18528982959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112118.

The product of its digits is 37324800, while the sum is 66.

The spelling of 18528982959 in words is "eighteen billion, five hundred twenty-eight million, nine hundred eighty-two thousand, nine hundred fifty-nine".