17660959093 has 2 divisors, whose sum is σ = 17660959094. Its totient is φ = 17660959092.

The previous prime is 17660959073. The next prime is 17660959111. The reversal of 17660959093 is 39095906671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14607623044 + 3053336049 = 120862^2 + 55257^2 .

It is an emirp because it is prime and its reverse (39095906671) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17660959093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17660959013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8830479546 + 8830479547.

It is an arithmetic number, because the mean of its divisors is an integer number (8830479547).

Almost surely, 2^17660959093 is an apocalyptic number.

It is an amenable number.

17660959093 is a deficient number, since it is larger than the sum of its proper divisors (1).

17660959093 is an equidigital number, since it uses as much as digits as its factorization.

17660959093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 17660959093 in words is "seventeen billion, six hundred sixty million, nine hundred fifty-nine thousand, ninety-three".