13613443163 has 2 divisors, whose sum is σ = 13613443164. Its totient is φ = 13613443162.

The previous prime is 13613443157. The next prime is 13613443201. The reversal of 13613443163 is 36134431631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13613443163 - 2⁸ = 13613442907 is a prime.

It is not a weakly prime, because it can be changed into another prime (13613443663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6806721581 + 6806721582.

It is an arithmetic number, because the mean of its divisors is an integer number (6806721582).

Almost surely, 2^13613443163 is an apocalyptic number.

13613443163 is a deficient number, since it is larger than the sum of its proper divisors (1).

13613443163 is an equidigital number, since it uses as much as digits as its factorization.

13613443163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

Adding to 13613443163 its reverse (36134431631), we get a palindrome (49747874794).

The spelling of 13613443163 in words is "thirteen billion, six hundred thirteen million, four hundred forty-three thousand, one hundred sixty-three".