1366522330049 has 2 divisors, whose sum is σ = 1366522330050. Its totient is φ = 1366522330048.

The previous prime is 1366522330037. The next prime is 1366522330183. The reversal of 1366522330049 is 9400332256631.

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., 954880752400 + 411641577649 = 977180^2 + 641593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1366522330049 - 2³⁶ = 1297802853313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1366522329991 and 1366522330009.

It is not a weakly prime, because it can be changed into another prime (1366522330549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683261165024 + 683261165025.

It is an arithmetic number, because the mean of its divisors is an integer number (683261165025).

Almost surely, 2^{1366522330049} is an apocalyptic number.

It is an amenable number.

1366522330049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366522330049 is an equidigital number, since it uses as much as digits as its factorization.

1366522330049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 1366522330049 in words is "one trillion, three hundred sixty-six billion, five hundred twenty-two million, three hundred thirty thousand, forty-nine".