2043343361 has 2 divisors, whose sum is σ = 2043343362. Its totient is φ = 2043343360.

The previous prime is 2043343349. The next prime is 2043343411. The reversal of 2043343361 is 1633433402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122585025 + 920758336 = 33505^2 + 30344^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043343361 - 2¹⁸ = 2043081217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043343261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021671680 + 1021671681.

It is an arithmetic number, because the mean of its divisors is an integer number (1021671681).

Almost surely, 2^2043343361 is an apocalyptic number.

It is an amenable number.

2043343361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043343361 is an equidigital number, since it uses as much as digits as its factorization.

2043343361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 2043343361 is about 45203.3556387134. The cubic root of 2043343361 is about 1268.9576171971.

Adding to 2043343361 its reverse (1633433402), we get a palindrome (3676776763).

The spelling of 2043343361 in words is "two billion, forty-three million, three hundred forty-three thousand, three hundred sixty-one".