1366424243053 has 2 divisors, whose sum is σ = 1366424243054. Its totient is φ = 1366424243052.

The previous prime is 1366424243027. The next prime is 1366424243057. The reversal of 1366424243053 is 3503424246631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183772288169 + 182651954884 = 1088013^2 + 427378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1366424243053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366424243057) 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, 683212121526 + 683212121527.

It is an arithmetic number, because the mean of its divisors is an integer number (683212121527).

Almost surely, 2^{1366424243053} is an apocalyptic number.

It is an amenable number.

1366424243053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366424243053 is an equidigital number, since it uses as much as digits as its factorization.

1366424243053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 43.

Adding to 1366424243053 its reverse (3503424246631), we get a palindrome (4869848489684).

The spelling of 1366424243053 in words is "one trillion, three hundred sixty-six billion, four hundred twenty-four million, two hundred forty-three thousand, fifty-three".