13636123541 has 2 divisors, whose sum is σ = 13636123542. Its totient is φ = 13636123540.

The previous prime is 13636123511. The next prime is 13636123577. The reversal of 13636123541 is 14532163631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12430020100 + 1206103441 = 111490^2 + 34729^2 .

It is a cyclic number.

It is not a de Polignac number, because 13636123541 - 2²² = 13631929237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13636123511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6818061770 + 6818061771.

It is an arithmetic number, because the mean of its divisors is an integer number (6818061771).

Almost surely, 2^13636123541 is an apocalyptic number.

It is an amenable number.

13636123541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13636123541 is an equidigital number, since it uses as much as digits as its factorization.

13636123541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The spelling of 13636123541 in words is "thirteen billion, six hundred thirty-six million, one hundred twenty-three thousand, five hundred forty-one".