18343003684 has 6 divisors (see below), whose sum is σ = 32100256454. Its totient is φ = 9171501840.

The previous prime is 18343003667. The next prime is 18343003703. The reversal of 18343003684 is 48630034381.

It can be written as a sum of positive squares in only one way, i.e., 11898446400 + 6444557284 = 109080^2 + 80278^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2292875457 + ... + 2292875464.

Almost surely, 2^18343003684 is an apocalyptic number.

It is an amenable number.

18343003684 is a deficient number, since it is larger than the sum of its proper divisors (13757252770).

18343003684 is a wasteful number, since it uses less digits than its factorization.

18343003684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585750925 (or 4585750923 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 18343003684 in words is "eighteen billion, three hundred forty-three million, three thousand, six hundred eighty-four".