1343441441 has 2 divisors, whose sum is σ = 1343441442. Its totient is φ = 1343441440.

The previous prime is 1343441311. The next prime is 1343441471. The reversal of 1343441441 is 1441443431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1325251216 + 18190225 = 36404^2 + 4265^2 .

It is an emirp because it is prime and its reverse (1441443431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343441441 - 2¹⁸ = 1343179297 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 (1343441471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671720720 + 671720721.

It is an arithmetic number, because the mean of its divisors is an integer number (671720721).

Almost surely, 2^1343441441 is an apocalyptic number.

It is an amenable number.

1343441441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343441441 is an equidigital number, since it uses as much as digits as its factorization.

1343441441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 1343441441 is about 36652.9867950758. The cubic root of 1343441441 is about 1103.4167702094.

Adding to 1343441441 its reverse (1441443431), we get a palindrome (2784884872).

The spelling of 1343441441 in words is "one billion, three hundred forty-three million, four hundred forty-one thousand, four hundred forty-one".