9916030391 has 2 divisors, whose sum is σ = 9916030392. Its totient is φ = 9916030390.

The previous prime is 9916030363. The next prime is 9916030393. The reversal of 9916030391 is 1930306199.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9916030391 - 2¹⁰ = 9916029367 is a prime.

It is a super-2 number, since 2×9916030391² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 9916030393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9916030393) 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, 4958015195 + 4958015196.

It is an arithmetic number, because the mean of its divisors is an integer number (4958015196).

Almost surely, 2^9916030391 is an apocalyptic number.

9916030391 is a deficient number, since it is larger than the sum of its proper divisors (1).

9916030391 is an equidigital number, since it uses as much as digits as its factorization.

9916030391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 9916030391 is about 99579.2668731800. The cubic root of 9916030391 is about 2148.3874976843.

The spelling of 9916030391 in words is "nine billion, nine hundred sixteen million, thirty thousand, three hundred ninety-one".