2311244549 has 2 divisors, whose sum is σ = 2311244550. Its totient is φ = 2311244548.

The previous prime is 2311244543. The next prime is 2311244557. The reversal of 2311244549 is 9454421132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2107269025 + 203975524 = 45905^2 + 14282^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311244549 - 2²⁴ = 2294467333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311244543) 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, 1155622274 + 1155622275.

It is an arithmetic number, because the mean of its divisors is an integer number (1155622275).

Almost surely, 2^2311244549 is an apocalyptic number.

It is an amenable number.

2311244549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311244549 is an equidigital number, since it uses as much as digits as its factorization.

2311244549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 2311244549 is about 48075.4048240886. The cubic root of 2311244549 is about 1322.1537667800.

The spelling of 2311244549 in words is "two billion, three hundred eleven million, two hundred forty-four thousand, five hundred forty-nine".