126944383689941 has 2 divisors, whose sum is σ = 126944383689942. Its totient is φ = 126944383689940.

The previous prime is 126944383689917. The next prime is 126944383689953. The reversal of 126944383689941 is 149986383449621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73178974089841 + 53765409600100 = 8554471^2 + 7332490^2 .

It is a cyclic number.

It is not a de Polignac number, because 126944383689941 - 2¹⁴ = 126944383673557 is a prime.

It is a super-2 number, since 2×126944383689941² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126944383689901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63472191844970 + 63472191844971.

It is an arithmetic number, because the mean of its divisors is an integer number (63472191844971).

Almost surely, 2^{126944383689941} is an apocalyptic number.

It is an amenable number.

126944383689941 is a deficient number, since it is larger than the sum of its proper divisors (1).

126944383689941 is an equidigital number, since it uses as much as digits as its factorization.

126944383689941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1934917632, while the sum is 77.

The spelling of 126944383689941 in words is "one hundred twenty-six trillion, nine hundred forty-four billion, three hundred eighty-three million, six hundred eighty-nine thousand, nine hundred forty-one".