10917318089 has 2 divisors, whose sum is σ = 10917318090. Its totient is φ = 10917318088.

The previous prime is 10917318067. The next prime is 10917318121. The reversal of 10917318089 is 98081371901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10916070400 + 1247689 = 104480^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 10917318089 - 2¹² = 10917313993 is a prime.

It is a super-2 number, since 2×10917318089² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10917318389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5458659044 + 5458659045.

It is an arithmetic number, because the mean of its divisors is an integer number (5458659045).

Almost surely, 2^10917318089 is an apocalyptic number.

It is an amenable number.

10917318089 is a deficient number, since it is larger than the sum of its proper divisors (1).

10917318089 is an equidigital number, since it uses as much as digits as its factorization.

10917318089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 47.

The spelling of 10917318089 in words is "ten billion, nine hundred seventeen million, three hundred eighteen thousand, eighty-nine".