9617961673 has 2 divisors, whose sum is σ = 9617961674. Its totient is φ = 9617961672.

The previous prime is 9617961649. The next prime is 9617961677. The reversal of 9617961673 is 3761697169.

It is a happy number.

9617961673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8700598729 + 917362944 = 93277^2 + 30288^2 .

It is a cyclic number.

It is not a de Polignac number, because 9617961673 - 2¹³ = 9617953481 is a prime.

It is not a weakly prime, because it can be changed into another prime (9617961677) 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, 4808980836 + 4808980837.

It is an arithmetic number, because the mean of its divisors is an integer number (4808980837).

Almost surely, 2^9617961673 is an apocalyptic number.

It is an amenable number.

9617961673 is a deficient number, since it is larger than the sum of its proper divisors (1).

9617961673 is an equidigital number, since it uses as much as digits as its factorization.

9617961673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 55.

The square root of 9617961673 is about 98071.2071558212. The cubic root of 9617961673 is about 2126.6418073955.

The spelling of 9617961673 in words is "nine billion, six hundred seventeen million, nine hundred sixty-one thousand, six hundred seventy-three".