12713134649 has 2 divisors, whose sum is σ = 12713134650. Its totient is φ = 12713134648.

The previous prime is 12713134639. The next prime is 12713134697. The reversal of 12713134649 is 94643131721.

12713134649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10501125625 + 2212009024 = 102475^2 + 47032^2 .

It is a cyclic number.

It is not a de Polignac number, because 12713134649 - 2¹⁶ = 12713069113 is a prime.

It is not a weakly prime, because it can be changed into another prime (12713134639) 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, 6356567324 + 6356567325.

It is an arithmetic number, because the mean of its divisors is an integer number (6356567325).

Almost surely, 2^12713134649 is an apocalyptic number.

It is an amenable number.

12713134649 is a deficient number, since it is larger than the sum of its proper divisors (1).

12713134649 is an equidigital number, since it uses as much as digits as its factorization.

12713134649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The spelling of 12713134649 in words is "twelve billion, seven hundred thirteen million, one hundred thirty-four thousand, six hundred forty-nine".