10321317917 has 2 divisors, whose sum is σ = 10321317918. Its totient is φ = 10321317916.

The previous prime is 10321317889. The next prime is 10321318027. The reversal of 10321317917 is 71971312301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9590480761 + 730837156 = 97931^2 + 27034^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321317917 - 2²⁰ = 10320269341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10321317317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160658958 + 5160658959.

It is an arithmetic number, because the mean of its divisors is an integer number (5160658959).

Almost surely, 2^10321317917 is an apocalyptic number.

It is an amenable number.

10321317917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321317917 is an equidigital number, since it uses as much as digits as its factorization.

10321317917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 35.

The spelling of 10321317917 in words is "ten billion, three hundred twenty-one million, three hundred seventeen thousand, nine hundred seventeen".