9563350681 has 2 divisors, whose sum is σ = 9563350682. Its totient is φ = 9563350680.

The previous prime is 9563350679. The next prime is 9563350717. The reversal of 9563350681 is 1860533659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7408905625 + 2154445056 = 86075^2 + 46416^2 .

It is a cyclic number.

It is not a de Polignac number, because 9563350681 - 2¹ = 9563350679 is a prime.

It is a super-2 number, since 2×9563350681² (a number of 21 digits) contains 22 as substring.

Together with 9563350679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9563350631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4781675340 + 4781675341.

It is an arithmetic number, because the mean of its divisors is an integer number (4781675341).

Almost surely, 2^9563350681 is an apocalyptic number.

It is an amenable number.

9563350681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9563350681 is an equidigital number, since it uses as much as digits as its factorization.

9563350681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 9563350681 is about 97792.3855982663. The cubic root of 9563350681 is about 2122.6091259712.

The spelling of 9563350681 in words is "nine billion, five hundred sixty-three million, three hundred fifty thousand, six hundred eighty-one".