13636145641 has 2 divisors, whose sum is σ = 13636145642. Its totient is φ = 13636145640.

The previous prime is 13636145639. The next prime is 13636145669. The reversal of 13636145641 is 14654163631.

13636145641 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., 6984112041 + 6652033600 = 83571^2 + 81560^2 .

It is an emirp because it is prime and its reverse (14654163631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13636145641 - 2¹ = 13636145639 is a prime.

Together with 13636145639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13636145594 and 13636145603.

It is not a weakly prime, because it can be changed into another prime (13636155641) 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, 6818072820 + 6818072821.

It is an arithmetic number, because the mean of its divisors is an integer number (6818072821).

Almost surely, 2^13636145641 is an apocalyptic number.

It is an amenable number.

13636145641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13636145641 is an equidigital number, since it uses as much as digits as its factorization.

13636145641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The spelling of 13636145641 in words is "thirteen billion, six hundred thirty-six million, one hundred forty-five thousand, six hundred forty-one".