17401316549 has 2 divisors, whose sum is σ = 17401316550. Its totient is φ = 17401316548.

The previous prime is 17401316489. The next prime is 17401316659. The reversal of 17401316549 is 94561310471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10531890625 + 6869425924 = 102625^2 + 82882^2 .

It is a cyclic number.

It is not a de Polignac number, because 17401316549 - 2⁸ = 17401316293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17401336549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8700658274 + 8700658275.

It is an arithmetic number, because the mean of its divisors is an integer number (8700658275).

Almost surely, 2^17401316549 is an apocalyptic number.

It is an amenable number.

17401316549 is a deficient number, since it is larger than the sum of its proper divisors (1).

17401316549 is an equidigital number, since it uses as much as digits as its factorization.

17401316549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 17401316549 in words is "seventeen billion, four hundred one million, three hundred sixteen thousand, five hundred forty-nine".