382364989909 has 6 divisors (see below), whose sum is σ = 444791927094. Its totient is φ = 327741419880.

The previous prime is 382364989891. The next prime is 382364989913. The reversal of 382364989909 is 909989463283.

It can be written as a sum of positive squares in only one way, i.e., 324871500625 + 57493489284 = 569975^2 + 239778^2 .

It is not a de Polignac number, because 382364989909 - 2⁹ = 382364989397 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 (382365989909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3901683522 + ... + 3901683619.

It is an arithmetic number, because the mean of its divisors is an integer number (74131987849).

Almost surely, 2^382364989909 is an apocalyptic number.

It is an amenable number.

382364989909 is a deficient number, since it is larger than the sum of its proper divisors (62426937185).

382364989909 is an equidigital number, since it uses as much as digits as its factorization.

382364989909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803367155 (or 7803367148 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 70.

The spelling of 382364989909 in words is "three hundred eighty-two billion, three hundred sixty-four million, nine hundred eighty-nine thousand, nine hundred nine".