1338713443 has 2 divisors, whose sum is σ = 1338713444. Its totient is φ = 1338713442.

The previous prime is 1338713423. The next prime is 1338713479. The reversal of 1338713443 is 3443178331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338713443 - 2²¹ = 1336616291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1338713423) 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, 669356721 + 669356722.

It is an arithmetic number, because the mean of its divisors is an integer number (669356722).

Almost surely, 2^1338713443 is an apocalyptic number.

1338713443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338713443 is an equidigital number, since it uses as much as digits as its factorization.

1338713443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 1338713443 is about 36588.4331859127. The cubic root of 1338713443 is about 1102.1208238049.

The spelling of 1338713443 in words is "one billion, three hundred thirty-eight million, seven hundred thirteen thousand, four hundred forty-three".