41688960517 has 2 divisors, whose sum is σ = 41688960518. Its totient is φ = 41688960516.

The previous prime is 41688960503. The next prime is 41688960571. The reversal of 41688960517 is 71506988614.

Together with next prime (41688960571) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26773467876 + 14915492641 = 163626^2 + 122129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41688960517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41688960317) 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, 20844480258 + 20844480259.

It is an arithmetic number, because the mean of its divisors is an integer number (20844480259).

Almost surely, 2^41688960517 is an apocalyptic number.

It is an amenable number.

41688960517 is a deficient number, since it is larger than the sum of its proper divisors (1).

41688960517 is an equidigital number, since it uses as much as digits as its factorization.

41688960517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 41688960517 in words is "forty-one billion, six hundred eighty-eight million, nine hundred sixty thousand, five hundred seventeen".