18718634282 has 16 divisors (see below), whose sum is σ = 29754108000. Its totient is φ = 8807210640.

The previous prime is 18718634273. The next prime is 18718634293. The reversal of 18718634282 is 28243681781.

It is a self number, because there is not a number n which added to its sum of digits gives 18718634282.

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 7 ways as a sum of consecutive naturals, for example, 1647344 + ... + 1658667.

It is an arithmetic number, because the mean of its divisors is an integer number (1859631750).

Almost surely, 2^18718634282 is an apocalyptic number.

18718634282 is a deficient number, since it is larger than the sum of its proper divisors (11035473718).

18718634282 is a wasteful number, since it uses less digits than its factorization.

18718634282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306181.

The product of its digits is 1032192, while the sum is 50.

The spelling of 18718634282 in words is "eighteen billion, seven hundred eighteen million, six hundred thirty-four thousand, two hundred eighty-two".