17107481681 has 2 divisors, whose sum is σ = 17107481682. Its totient is φ = 17107481680.

The previous prime is 17107481663. The next prime is 17107481689. The reversal of 17107481681 is 18618470171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15520176400 + 1587305281 = 124580^2 + 39841^2 .

It is a cyclic number.

It is not a de Polignac number, because 17107481681 - 2¹⁰ = 17107480657 is a prime.

It is a super-2 number, since 2×17107481681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17107481689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8553740840 + 8553740841.

It is an arithmetic number, because the mean of its divisors is an integer number (8553740841).

Almost surely, 2^17107481681 is an apocalyptic number.

It is an amenable number.

17107481681 is a deficient number, since it is larger than the sum of its proper divisors (1).

17107481681 is an equidigital number, since it uses as much as digits as its factorization.

17107481681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 44.

The spelling of 17107481681 in words is "seventeen billion, one hundred seven million, four hundred eighty-one thousand, six hundred eighty-one".