18349584348 has 12 divisors (see below), whose sum is σ = 42815696840. Its totient is φ = 6116528112.

The previous prime is 18349584347. The next prime is 18349584359. The reversal of 18349584348 is 84348594381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18349584347) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 764566003 + ... + 764566026.

Almost surely, 2^18349584348 is an apocalyptic number.

It is an amenable number.

18349584348 is an abundant number, since it is smaller than the sum of its proper divisors (24466112492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18349584348 is a wasteful number, since it uses less digits than its factorization.

18349584348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529132036 (or 1529132034 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 57.

The spelling of 18349584348 in words is "eighteen billion, three hundred forty-nine million, five hundred eighty-four thousand, three hundred forty-eight".