18383729282 has 16 divisors (see below), whose sum is σ = 27673928160. Its totient is φ = 9159145632.

The previous prime is 18383729279. The next prime is 18383729291. The reversal of 18383729282 is 28292738381.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633278 + ... + 661670.

It is an arithmetic number, because the mean of its divisors is an integer number (1729620510).

Almost surely, 2^18383729282 is an apocalyptic number.

18383729282 is a deficient number, since it is larger than the sum of its proper divisors (9290198878).

18383729282 is a wasteful number, since it uses less digits than its factorization.

18383729282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29537.

The product of its digits is 2322432, while the sum is 53.

Subtracting 18383729282 from its reverse (28292738381), we obtain a palindrome (9909009099).

The spelling of 18383729282 in words is "eighteen billion, three hundred eighty-three million, seven hundred twenty-nine thousand, two hundred eighty-two".