12138436763 has 2 divisors, whose sum is σ = 12138436764. Its totient is φ = 12138436762.

The previous prime is 12138436741. The next prime is 12138436769. The reversal of 12138436763 is 36763483121.

12138436763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12138436763 - 2¹⁰ = 12138435739 is a prime.

It is not a weakly prime, because it can be changed into another prime (12138436769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6069218381 + 6069218382.

It is an arithmetic number, because the mean of its divisors is an integer number (6069218382).

Almost surely, 2^12138436763 is an apocalyptic number.

12138436763 is a deficient number, since it is larger than the sum of its proper divisors (1).

12138436763 is an equidigital number, since it uses as much as digits as its factorization.

12138436763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The spelling of 12138436763 in words is "twelve billion, one hundred thirty-eight million, four hundred thirty-six thousand, seven hundred sixty-three".