9788696693 has 2 divisors, whose sum is σ = 9788696694. Its totient is φ = 9788696692.

The previous prime is 9788696669. The next prime is 9788696719. The reversal of 9788696693 is 3966968879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8009713009 + 1778983684 = 89497^2 + 42178^2 .

It is a cyclic number.

It is not a de Polignac number, because 9788696693 - 2⁶ = 9788696629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9788696633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4894348346 + 4894348347.

It is an arithmetic number, because the mean of its divisors is an integer number (4894348347).

Almost surely, 2^9788696693 is an apocalyptic number.

It is an amenable number.

9788696693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9788696693 is an equidigital number, since it uses as much as digits as its factorization.

9788696693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211631616, while the sum is 71.

The square root of 9788696693 is about 98937.8425730014. The cubic root of 9788696693 is about 2139.1518965147.

The spelling of 9788696693 in words is "nine billion, seven hundred eighty-eight million, six hundred ninety-six thousand, six hundred ninety-three".