382885980209 has 4 divisors (see below), whose sum is σ = 382916582004. Its totient is φ = 382855378416.

The previous prime is 382885980149. The next prime is 382885980221. The reversal of 382885980209 is 902089588283.

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 159372616225 + 223513363984 = 399215^2 + 472772^2 .

It is a cyclic number.

It is not a de Polignac number, because 382885980209 - 2⁸ = 382885979953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (382885980299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15282122 + ... + 15307155.

It is an arithmetic number, because the mean of its divisors is an integer number (95729145501).

Almost surely, 2^382885980209 is an apocalyptic number.

It is an amenable number.

382885980209 is a deficient number, since it is larger than the sum of its proper divisors (30601795).

382885980209 is a wasteful number, since it uses less digits than its factorization.

382885980209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30601794.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 382885980209 in words is "three hundred eighty-two billion, eight hundred eighty-five million, nine hundred eighty thousand, two hundred nine".