9738896917 has 2 divisors, whose sum is σ = 9738896918. Its totient is φ = 9738896916.

The previous prime is 9738896897. The next prime is 9738896929. The reversal of 9738896917 is 7196988379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9362304081 + 376592836 = 96759^2 + 19406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9738896917 is a prime.

It is a super-2 number, since 2×9738896917² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9738896017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4869448458 + 4869448459.

It is an arithmetic number, because the mean of its divisors is an integer number (4869448459).

Almost surely, 2^9738896917 is an apocalyptic number.

It is an amenable number.

9738896917 is a deficient number, since it is larger than the sum of its proper divisors (1).

9738896917 is an equidigital number, since it uses as much as digits as its factorization.

9738896917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41150592, while the sum is 67.

The square root of 9738896917 is about 98685.8496290122. The cubic root of 9738896917 is about 2135.5180980605.

The spelling of 9738896917 in words is "nine billion, seven hundred thirty-eight million, eight hundred ninety-six thousand, nine hundred seventeen".