13044636361 has 2 divisors, whose sum is σ = 13044636362. Its totient is φ = 13044636360.

The previous prime is 13044636349. The next prime is 13044636379. The reversal of 13044636361 is 16363644031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13041640000 + 2996361 = 114200^2 + 1731^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044636361 - 2¹¹ = 13044634313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13044636361.

It is not a weakly prime, because it can be changed into another prime (13044631361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522318180 + 6522318181.

It is an arithmetic number, because the mean of its divisors is an integer number (6522318181).

Almost surely, 2^13044636361 is an apocalyptic number.

It is an amenable number.

13044636361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044636361 is an equidigital number, since it uses as much as digits as its factorization.

13044636361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 13044636361 in words is "thirteen billion, forty-four million, six hundred thirty-six thousand, three hundred sixty-one".