17605061713 has 2 divisors, whose sum is σ = 17605061714. Its totient is φ = 17605061712.

The previous prime is 17605061659. The next prime is 17605061731. The reversal of 17605061713 is 31716050671.

Together with next prime (17605061731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10976333824 + 6628727889 = 104768^2 + 81417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17605061713 is a prime.

It is not a weakly prime, because it can be changed into another prime (17605065713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8802530856 + 8802530857.

It is an arithmetic number, because the mean of its divisors is an integer number (8802530857).

Almost surely, 2^17605061713 is an apocalyptic number.

It is an amenable number.

17605061713 is a deficient number, since it is larger than the sum of its proper divisors (1).

17605061713 is an equidigital number, since it uses as much as digits as its factorization.

17605061713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 17605061713 in words is "seventeen billion, six hundred five million, sixty-one thousand, seven hundred thirteen".