18539282764 has 12 divisors (see below), whose sum is σ = 33055891344. Its totient is φ = 9094742384.

The previous prime is 18539282761. The next prime is 18539282791. The reversal of 18539282764 is 46728293581.

It is not an unprimeable number, because it can be changed into a prime (18539282761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43724512 + ... + 43724935.

It is an arithmetic number, because the mean of its divisors is an integer number (2754657612).

Almost surely, 2^18539282764 is an apocalyptic number.

It is an amenable number.

18539282764 is a deficient number, since it is larger than the sum of its proper divisors (14516608580).

18539282764 is a wasteful number, since it uses less digits than its factorization.

18539282764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87449504 (or 87449502 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 18539282764 in words is "eighteen billion, five hundred thirty-nine million, two hundred eighty-two thousand, seven hundred sixty-four".