126744036593 has 2 divisors, whose sum is σ = 126744036594. Its totient is φ = 126744036592.

The previous prime is 126744036589. The next prime is 126744036637. The reversal of 126744036593 is 395630447621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92314491889 + 34429544704 = 303833^2 + 185552^2 .

It is a cyclic number.

It is not a de Polignac number, because 126744036593 - 2² = 126744036589 is a prime.

It is not a weakly prime, because it can be changed into another prime (126744036583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63372018296 + 63372018297.

It is an arithmetic number, because the mean of its divisors is an integer number (63372018297).

Almost surely, 2^126744036593 is an apocalyptic number.

It is an amenable number.

126744036593 is a deficient number, since it is larger than the sum of its proper divisors (1).

126744036593 is an equidigital number, since it uses as much as digits as its factorization.

126744036593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 126744036593 in words is "one hundred twenty-six billion, seven hundred forty-four million, thirty-six thousand, five hundred ninety-three".