12736454413 has 2 divisors, whose sum is σ = 12736454414. Its totient is φ = 12736454412.

The previous prime is 12736454411. The next prime is 12736454459. The reversal of 12736454413 is 31445463721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12454113604 + 282340809 = 111598^2 + 16803^2 .

It is a cyclic number.

It is not a de Polignac number, because 12736454413 - 2¹ = 12736454411 is a prime.

Together with 12736454411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12736454411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368227206 + 6368227207.

It is an arithmetic number, because the mean of its divisors is an integer number (6368227207).

Almost surely, 2^12736454413 is an apocalyptic number.

It is an amenable number.

12736454413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12736454413 is an equidigital number, since it uses as much as digits as its factorization.

12736454413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The spelling of 12736454413 in words is "twelve billion, seven hundred thirty-six million, four hundred fifty-four thousand, four hundred thirteen".