2821112329 has 6 divisors (see below), whose sum is σ = 3281702154. Its totient is φ = 2418096240.

The previous prime is 2821112321. The next prime is 2821112339. The reversal of 2821112329 is 9232111282.

It can be written as a sum of positive squares in only one way, i.e., 2596921600 + 224190729 = 50960^2 + 14973^2 .

It is not a de Polignac number, because 2821112329 - 2³ = 2821112321 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 2821112329.

It is not an unprimeable number, because it can be changed into a prime (2821112321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28786812 + ... + 28786909.

It is an arithmetic number, because the mean of its divisors is an integer number (546950359).

Almost surely, 2^2821112329 is an apocalyptic number.

It is an amenable number.

2821112329 is a deficient number, since it is larger than the sum of its proper divisors (460589825).

2821112329 is an equidigital number, since it uses as much as digits as its factorization.

2821112329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57573735 (or 57573728 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 2821112329 is about 53114.1443402791. The cubic root of 2821112329 is about 1412.9933772744.

The spelling of 2821112329 in words is "two billion, eight hundred twenty-one million, one hundred twelve thousand, three hundred twenty-nine".