9916358369 has 2 divisors, whose sum is σ = 9916358370. Its totient is φ = 9916358368.

The previous prime is 9916358363. The next prime is 9916358401. The reversal of 9916358369 is 9638536199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8674500769 + 1241857600 = 93137^2 + 35240^2 .

It is a cyclic number.

It is not a de Polignac number, because 9916358369 - 2³² = 5621391073 is a prime.

It is a super-2 number, since 2×9916358369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9916358363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4958179184 + 4958179185.

It is an arithmetic number, because the mean of its divisors is an integer number (4958179185).

Almost surely, 2^9916358369 is an apocalyptic number.

It is an amenable number.

9916358369 is a deficient number, since it is larger than the sum of its proper divisors (1).

9916358369 is an equidigital number, since it uses as much as digits as its factorization.

9916358369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9447840, while the sum is 59.

The square root of 9916358369 is about 99580.9136782747. The cubic root of 9916358369 is about 2148.4111837777.

The spelling of 9916358369 in words is "nine billion, nine hundred sixteen million, three hundred fifty-eight thousand, three hundred sixty-nine".