2331868369 has 4 divisors (see below), whose sum is σ = 2348889444. Its totient is φ = 2314847296.

The previous prime is 2331868361. The next prime is 2331868381. The reversal of 2331868369 is 9638681332.

It is a happy number.

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 649638144 + 1682230225 = 25488^2 + 41015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331868369 - 2³ = 2331868361 is a prime.

It is a super-2 number, since 2×2331868369² = 10875220180685440322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331868361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8510332 + ... + 8510605.

It is an arithmetic number, because the mean of its divisors is an integer number (587222361).

Almost surely, 2^2331868369 is an apocalyptic number.

It is an amenable number.

2331868369 is a deficient number, since it is larger than the sum of its proper divisors (17021075).

2331868369 is a wasteful number, since it uses less digits than its factorization.

2331868369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17021074.

The product of its digits is 1119744, while the sum is 49.

The square root of 2331868369 is about 48289.4229516154. The cubic root of 2331868369 is about 1326.0747646679.

The spelling of 2331868369 in words is "two billion, three hundred thirty-one million, eight hundred sixty-eight thousand, three hundred sixty-nine".