9660796919 has 2 divisors, whose sum is σ = 9660796920. Its totient is φ = 9660796918.

The previous prime is 9660796891. The next prime is 9660796931. The reversal of 9660796919 is 9196970669.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9660796919 is a prime.

It is a super-2 number, since 2×9660796919² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9660796949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830398459 + 4830398460.

It is an arithmetic number, because the mean of its divisors is an integer number (4830398460).

Almost surely, 2^9660796919 is an apocalyptic number.

9660796919 is a deficient number, since it is larger than the sum of its proper divisors (1).

9660796919 is an equidigital number, since it uses as much as digits as its factorization.

9660796919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9920232, while the sum is 62.

The square root of 9660796919 is about 98289.3530297153. The cubic root of 9660796919 is about 2129.7942536762.

The spelling of 9660796919 in words is "nine billion, six hundred sixty million, seven hundred ninety-six thousand, nine hundred nineteen".