18733793756 has 24 divisors (see below), whose sum is σ = 36221865120. Its totient is φ = 8432602112.

The previous prime is 18733793747. The next prime is 18733793783. The reversal of 18733793756 is 65739733781.

It is a junction number, because it is equal to n+sod(n) for n = 18733793695 and 18733793704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5987501 + ... + 5990628.

It is an arithmetic number, because the mean of its divisors is an integer number (1509244380).

Almost surely, 2^18733793756 is an apocalyptic number.

It is an amenable number.

18733793756 is a deficient number, since it is larger than the sum of its proper divisors (17488071364).

18733793756 is a wasteful number, since it uses less digits than its factorization.

18733793756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11978173 (or 11978171 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 59.

The spelling of 18733793756 in words is "eighteen billion, seven hundred thirty-three million, seven hundred ninety-three thousand, seven hundred fifty-six".