13636131216623 has 2 divisors, whose sum is σ = 13636131216624. Its totient is φ = 13636131216622.

The previous prime is 13636131216607. The next prime is 13636131216629. The reversal of 13636131216623 is 32661213163631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13636131216623 - 2⁴ = 13636131216607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13636131216629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6818065608311 + 6818065608312.

It is an arithmetic number, because the mean of its divisors is an integer number (6818065608312).

Almost surely, 2^{13636131216623} is an apocalyptic number.

13636131216623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13636131216623 is an equidigital number, since it uses as much as digits as its factorization.

13636131216623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 44.

The spelling of 13636131216623 in words is "thirteen trillion, six hundred thirty-six billion, one hundred thirty-one million, two hundred sixteen thousand, six hundred twenty-three".