18734349908 has 48 divisors (see below), whose sum is σ = 34863628800. Its totient is φ = 8794396800.

The previous prime is 18734349859. The next prime is 18734349929. The reversal of 18734349908 is 80994343781.

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 15 ways as a sum of consecutive naturals, for example, 782678 + ... + 806258.

It is an arithmetic number, because the mean of its divisors is an integer number (726325600).

Almost surely, 2^18734349908 is an apocalyptic number.

It is an amenable number.

18734349908 is a deficient number, since it is larger than the sum of its proper divisors (16129278892).

18734349908 is a wasteful number, since it uses less digits than its factorization.

18734349908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23808 (or 23806 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 18734349908 in words is "eighteen billion, seven hundred thirty-four million, three hundred forty-nine thousand, nine hundred eight".