126726889030033 has 2 divisors, whose sum is σ = 126726889030034. Its totient is φ = 126726889030032.

The previous prime is 126726889029971. The next prime is 126726889030043. The reversal of 126726889030033 is 330030988627621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67637350501249 + 59089538528784 = 8224193^2 + 7686972^2 .

It is an emirp because it is prime and its reverse (330030988627621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126726889030033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126726889030033.

It is not a weakly prime, because it can be changed into another prime (126726889030043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63363444515016 + 63363444515017.

It is an arithmetic number, because the mean of its divisors is an integer number (63363444515017).

Almost surely, 2^{126726889030033} is an apocalyptic number.

It is an amenable number.

126726889030033 is a deficient number, since it is larger than the sum of its proper divisors (1).

126726889030033 is an equidigital number, since it uses as much as digits as its factorization.

126726889030033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 126726889030033 in words is "one hundred twenty-six trillion, seven hundred twenty-six billion, eight hundred eighty-nine million, thirty thousand, thirty-three".