18683353604 has 12 divisors (see below), whose sum is σ = 32704243404. Its totient is φ = 9339284064.

The previous prime is 18683353589. The next prime is 18683353607. The reversal of 18683353604 is 40635338681.

It can be written as a sum of positive squares in 2 ways, for example, as 13021092100 + 5662261504 = 114110^2 + 75248^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18683353607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580559 + ... + 611894.

It is an arithmetic number, because the mean of its divisors is an integer number (2725353617).

Almost surely, 2^18683353604 is an apocalyptic number.

It is an amenable number.

18683353604 is a deficient number, since it is larger than the sum of its proper divisors (14020889800).

18683353604 is a wasteful number, since it uses less digits than its factorization.

18683353604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196374 (or 1196372 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 18683353604 in words is "eighteen billion, six hundred eighty-three million, three hundred fifty-three thousand, six hundred four".