2312040449 has 2 divisors, whose sum is σ = 2312040450. Its totient is φ = 2312040448.

The previous prime is 2312040427. The next prime is 2312040503. The reversal of 2312040449 is 9440402132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2228500849 + 83539600 = 47207^2 + 9140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312040449 - 2¹⁶ = 2311974913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2312040949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156020224 + 1156020225.

It is an arithmetic number, because the mean of its divisors is an integer number (1156020225).

Almost surely, 2^2312040449 is an apocalyptic number.

It is an amenable number.

2312040449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312040449 is an equidigital number, since it uses as much as digits as its factorization.

2312040449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2312040449 is about 48083.6817329954. The cubic root of 2312040449 is about 1322.3055149534.

The spelling of 2312040449 in words is "two billion, three hundred twelve million, forty thousand, four hundred forty-nine".