9690979169 has 2 divisors, whose sum is σ = 9690979170. Its totient is φ = 9690979168.

The previous prime is 9690979159. The next prime is 9690979237. The reversal of 9690979169 is 9619790969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8256084769 + 1434894400 = 90863^2 + 37880^2 .

It is a cyclic number.

It is not a de Polignac number, because 9690979169 - 2⁴ = 9690979153 is a prime.

It is a super-2 number, since 2×9690979169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9690979159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845489584 + 4845489585.

It is an arithmetic number, because the mean of its divisors is an integer number (4845489585).

Almost surely, 2^9690979169 is an apocalyptic number.

It is an amenable number.

9690979169 is a deficient number, since it is larger than the sum of its proper divisors (1).

9690979169 is an equidigital number, since it uses as much as digits as its factorization.

9690979169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14880348, while the sum is 65.

The square root of 9690979169 is about 98442.7710347489. The cubic root of 9690979169 is about 2132.0099147605.

The spelling of 9690979169 in words is "nine billion, six hundred ninety million, nine hundred seventy-nine thousand, one hundred sixty-nine".