384365165185 has 4 divisors (see below), whose sum is σ = 461238198228. Its totient is φ = 307492132144.

The previous prime is 384365165167. The next prime is 384365165189. The reversal of 384365165185 is 581561563483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 255179553409 + 129185611776 = 505153^2 + 359424^2 .

It is a cyclic number.

It is not a de Polignac number, because 384365165185 - 2⁷ = 384365165057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384365165189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38436516514 + ... + 38436516523.

It is an arithmetic number, because the mean of its divisors is an integer number (115309549557).

Almost surely, 2^384365165185 is an apocalyptic number.

It is an amenable number.

384365165185 is a deficient number, since it is larger than the sum of its proper divisors (76873033043).

384365165185 is an equidigital number, since it uses as much as digits as its factorization.

384365165185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76873033042.

The product of its digits is 10368000, while the sum is 55.

The spelling of 384365165185 in words is "three hundred eighty-four billion, three hundred sixty-five million, one hundred sixty-five thousand, one hundred eighty-five".