9216955901 has 2 divisors, whose sum is σ = 9216955902. Its totient is φ = 9216955900.

The previous prime is 9216955871. The next prime is 9216955903. The reversal of 9216955901 is 1095596129.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5288925625 + 3928030276 = 72725^2 + 62674^2 .

It is an emirp because it is prime and its reverse (1095596129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9216955901 - 2¹⁴ = 9216939517 is a prime.

Together with 9216955903, 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 (9216955903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4608477950 + 4608477951.

It is an arithmetic number, because the mean of its divisors is an integer number (4608477951).

Almost surely, 2^9216955901 is an apocalyptic number.

It is an amenable number.

9216955901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9216955901 is an equidigital number, since it uses as much as digits as its factorization.

9216955901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 47.

The square root of 9216955901 is about 96004.9785219496. The cubic root of 9216955901 is about 2096.6656003993.

The spelling of 9216955901 in words is "nine billion, two hundred sixteen million, nine hundred fifty-five thousand, nine hundred one".