18476383384 has 8 divisors (see below), whose sum is σ = 34643218860. Its totient is φ = 9238191688.

The previous prime is 18476383379. The next prime is 18476383399. The reversal of 18476383384 is 48338367481.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154773954 + ... + 1154773969.

Almost surely, 2^18476383384 is an apocalyptic number.

It is an amenable number.

18476383384 is a deficient number, since it is larger than the sum of its proper divisors (16166835476).

18476383384 is a wasteful number, since it uses less digits than its factorization.

18476383384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309547929 (or 2309547925 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 55.

The spelling of 18476383384 in words is "eighteen billion, four hundred seventy-six million, three hundred eighty-three thousand, three hundred eighty-four".