18382928197 has 8 divisors (see below), whose sum is σ = 18427368096. Its totient is φ = 18338542992.

The previous prime is 18382928191. The next prime is 18382928209. The reversal of 18382928197 is 79182928381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18382928197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382928191) 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 7 ways as a sum of consecutive naturals, for example, 704058 + ... + 729700.

It is an arithmetic number, because the mean of its divisors is an integer number (2303421012).

Almost surely, 2^18382928197 is an apocalyptic number.

It is an amenable number.

18382928197 is a deficient number, since it is larger than the sum of its proper divisors (44439899).

18382928197 is an equidigital number, since it uses as much as digits as its factorization.

18382928197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27347.

The product of its digits is 3483648, while the sum is 58.

The spelling of 18382928197 in words is "eighteen billion, three hundred eighty-two million, nine hundred twenty-eight thousand, one hundred ninety-seven".