2312888849 has 4 divisors (see below), whose sum is σ = 2313859380. Its totient is φ = 2311918320.

The previous prime is 2312888819. The next prime is 2312888869. The reversal of 2312888849 is 9488882132.

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 465178624 + 1847710225 = 21568^2 + 42985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312888849 - 2²⁰ = 2311840273 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 2312888849.

It is not an unprimeable number, because it can be changed into a prime (2312888819) 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, 481682 + ... + 486459.

It is an arithmetic number, because the mean of its divisors is an integer number (578464845).

Almost surely, 2^2312888849 is an apocalyptic number.

It is an amenable number.

2312888849 is a deficient number, since it is larger than the sum of its proper divisors (970531).

2312888849 is an equidigital number, since it uses as much as digits as its factorization.

2312888849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970530.

The product of its digits is 1769472, while the sum is 53.

The square root of 2312888849 is about 48092.5030436138. The cubic root of 2312888849 is about 1322.4672345588.

The spelling of 2312888849 in words is "two billion, three hundred twelve million, eight hundred eighty-eight thousand, eight hundred forty-nine".