126445326793 has 2 divisors, whose sum is σ = 126445326794. Its totient is φ = 126445326792.

The previous prime is 126445326751. The next prime is 126445326797. The reversal of 126445326793 is 397623544621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118964287744 + 7481039049 = 344912^2 + 86493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126445326793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126445326793.

It is not a weakly prime, because it can be changed into another prime (126445326797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63222663396 + 63222663397.

It is an arithmetic number, because the mean of its divisors is an integer number (63222663397).

Almost surely, 2^126445326793 is an apocalyptic number.

It is an amenable number.

126445326793 is a deficient number, since it is larger than the sum of its proper divisors (1).

126445326793 is an equidigital number, since it uses as much as digits as its factorization.

126445326793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 52.

The spelling of 126445326793 in words is "one hundred twenty-six billion, four hundred forty-five million, three hundred twenty-six thousand, seven hundred ninety-three".