18189301347 has 48 divisors (see below), whose sum is σ = 31710002688. Its totient is φ = 9822130560.

The previous prime is 18189301327. The next prime is 18189301357. The reversal of 18189301347 is 74310398181.

It is not a de Polignac number, because 18189301347 - 2¹⁰ = 18189300323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18189301307) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 44647 + ... + 195887.

It is an arithmetic number, because the mean of its divisors is an integer number (660625056).

Almost surely, 2^18189301347 is an apocalyptic number.

18189301347 is a deficient number, since it is larger than the sum of its proper divisors (13520701341).

18189301347 is a wasteful number, since it uses less digits than its factorization.

18189301347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151360 (or 151357 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 18189301347 in words is "eighteen billion, one hundred eighty-nine million, three hundred one thousand, three hundred forty-seven".