9216955973 has 2 divisors, whose sum is σ = 9216955974. Its totient is φ = 9216955972.

The previous prime is 9216955963. The next prime is 9216955981. The reversal of 9216955973 is 3795596129.

It is a happy number.

9216955973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7226190049 + 1990765924 = 85007^2 + 44618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9216955973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9216955903) 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, 4608477986 + 4608477987.

It is an arithmetic number, because the mean of its divisors is an integer number (4608477987).

Almost surely, 2^9216955973 is an apocalyptic number.

It is an amenable number.

9216955973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9216955973 is an equidigital number, since it uses as much as digits as its factorization.

9216955973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4592700, while the sum is 56.

The square root of 9216955973 is about 96004.9788969301. The cubic root of 9216955973 is about 2096.6656058588.

The spelling of 9216955973 in words is "nine billion, two hundred sixteen million, nine hundred fifty-five thousand, nine hundred seventy-three".