13317735889 has 2 divisors, whose sum is σ = 13317735890. Its totient is φ = 13317735888.

The previous prime is 13317735881. The next prime is 13317735941. The reversal of 13317735889 is 98853771331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8506926289 + 4810809600 = 92233^2 + 69360^2 .

It is a cyclic number.

It is not a de Polignac number, because 13317735889 - 2³ = 13317735881 is a prime.

It is not a weakly prime, because it can be changed into another prime (13317735881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6658867944 + 6658867945.

It is an arithmetic number, because the mean of its divisors is an integer number (6658867945).

Almost surely, 2^13317735889 is an apocalyptic number.

It is an amenable number.

13317735889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13317735889 is an equidigital number, since it uses as much as digits as its factorization.

13317735889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The spelling of 13317735889 in words is "thirteen billion, three hundred seventeen million, seven hundred thirty-five thousand, eight hundred eighty-nine".