13321366441 has 2 divisors, whose sum is σ = 13321366442. Its totient is φ = 13321366440.

The previous prime is 13321366397. The next prime is 13321366493. The reversal of 13321366441 is 14466312331.

13321366441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10853264041 + 2468102400 = 104179^2 + 49680^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321366441 - 2⁷ = 13321366313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13321366397 and 13321366406.

It is not a weakly prime, because it can be changed into another prime (13321366741) 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, 6660683220 + 6660683221.

It is an arithmetic number, because the mean of its divisors is an integer number (6660683221).

Almost surely, 2^13321366441 is an apocalyptic number.

It is an amenable number.

13321366441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321366441 is an equidigital number, since it uses as much as digits as its factorization.

13321366441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

Adding to 13321366441 its reverse (14466312331), we get a palindrome (27787678772).

The spelling of 13321366441 in words is "thirteen billion, three hundred twenty-one million, three hundred sixty-six thousand, four hundred forty-one".