9917149267 has 2 divisors, whose sum is σ = 9917149268. Its totient is φ = 9917149266.

The previous prime is 9917149261. The next prime is 9917149321. The reversal of 9917149267 is 7629417199.

9917149267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9917149267 - 2⁷ = 9917149139 is a prime.

It is a super-3 number, since 3×9917149267³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (9917149261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4958574633 + 4958574634.

It is an arithmetic number, because the mean of its divisors is an integer number (4958574634).

Almost surely, 2^9917149267 is an apocalyptic number.

9917149267 is a deficient number, since it is larger than the sum of its proper divisors (1).

9917149267 is an equidigital number, since it uses as much as digits as its factorization.

9917149267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 55.

The square root of 9917149267 is about 99584.8847315696. The cubic root of 9917149267 is about 2148.4682991310.

The spelling of 9917149267 in words is "nine billion, nine hundred seventeen million, one hundred forty-nine thousand, two hundred sixty-seven".