13236441641 has 2 divisors, whose sum is σ = 13236441642. Its totient is φ = 13236441640.

The previous prime is 13236441611. The next prime is 13236441643. The reversal of 13236441641 is 14614463231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6888336016 + 6348105625 = 82996^2 + 79675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13236441641 is a prime.

Together with 13236441643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13236441643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618220820 + 6618220821.

It is an arithmetic number, because the mean of its divisors is an integer number (6618220821).

Almost surely, 2^13236441641 is an apocalyptic number.

It is an amenable number.

13236441641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13236441641 is an equidigital number, since it uses as much as digits as its factorization.

13236441641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The spelling of 13236441641 in words is "thirteen billion, two hundred thirty-six million, four hundred forty-one thousand, six hundred forty-one".