43303311349 has 2 divisors, whose sum is σ = 43303311350. Its totient is φ = 43303311348.

The previous prime is 43303311343. The next prime is 43303311413. The reversal of 43303311349 is 94311330334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39358592100 + 3944719249 = 198390^2 + 62807^2 .

It is a cyclic number.

It is not a de Polignac number, because 43303311349 - 2¹⁹ = 43302787061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43303311343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21651655674 + 21651655675.

It is an arithmetic number, because the mean of its divisors is an integer number (21651655675).

Almost surely, 2^43303311349 is an apocalyptic number.

It is an amenable number.

43303311349 is a deficient number, since it is larger than the sum of its proper divisors (1).

43303311349 is an equidigital number, since it uses as much as digits as its factorization.

43303311349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 43303311349 in words is "forty-three billion, three hundred three million, three hundred eleven thousand, three hundred forty-nine".