9168946643 has 2 divisors, whose sum is σ = 9168946644. Its totient is φ = 9168946642.

The previous prime is 9168946627. The next prime is 9168946649. The reversal of 9168946643 is 3466498619.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3466498619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9168946643 - 2⁴ = 9168946627 is a prime.

It is not a weakly prime, because it can be changed into another prime (9168946649) 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, 4584473321 + 4584473322.

It is an arithmetic number, because the mean of its divisors is an integer number (4584473322).

Almost surely, 2^9168946643 is an apocalyptic number.

9168946643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9168946643 is an equidigital number, since it uses as much as digits as its factorization.

9168946643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 56.

The square root of 9168946643 is about 95754.6168234201. The cubic root of 9168946643 is about 2093.0188924639.

The spelling of 9168946643 in words is "nine billion, one hundred sixty-eight million, nine hundred forty-six thousand, six hundred forty-three".