382018384009 has 4 divisors (see below), whose sum is σ = 382085211204. Its totient is φ = 381951556816.

The previous prime is 382018383959. The next prime is 382018384051. The reversal of 382018384009 is 900483810283.

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 264475689984 + 117542694025 = 514272^2 + 342845^2 .

It is a cyclic number.

It is not a de Polignac number, because 382018384009 - 2⁹ = 382018383497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382018384009.

It is not an unprimeable number, because it can be changed into a prime (382018385009) 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 3 ways as a sum of consecutive naturals, for example, 33405022 + ... + 33416455.

It is an arithmetic number, because the mean of its divisors is an integer number (95521302801).

Almost surely, 2^382018384009 is an apocalyptic number.

It is an amenable number.

382018384009 is a deficient number, since it is larger than the sum of its proper divisors (66827195).

382018384009 is an equidigital number, since it uses as much as digits as its factorization.

382018384009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66827194.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 382018384009 in words is "three hundred eighty-two billion, eighteen million, three hundred eighty-four thousand, nine".