17318195641 has 2 divisors, whose sum is σ = 17318195642. Its totient is φ = 17318195640.

The previous prime is 17318195593. The next prime is 17318195701. The reversal of 17318195641 is 14659181371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12225946041 + 5092249600 = 110571^2 + 71360^2 .

It is a cyclic number.

It is not a de Polignac number, because 17318195641 - 2¹³ = 17318187449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17318195591 and 17318195600.

It is not a weakly prime, because it can be changed into another prime (17318195441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8659097820 + 8659097821.

It is an arithmetic number, because the mean of its divisors is an integer number (8659097821).

Almost surely, 2^17318195641 is an apocalyptic number.

It is an amenable number.

17318195641 is a deficient number, since it is larger than the sum of its proper divisors (1).

17318195641 is an equidigital number, since it uses as much as digits as its factorization.

17318195641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 46.

The spelling of 17318195641 in words is "seventeen billion, three hundred eighteen million, one hundred ninety-five thousand, six hundred forty-one".