9364958221 has 2 divisors, whose sum is σ = 9364958222. Its totient is φ = 9364958220.

The previous prime is 9364958201. The next prime is 9364958293. The reversal of 9364958221 is 1228594639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7087282596 + 2277675625 = 84186^2 + 47725^2 .

It is a cyclic number.

It is not a de Polignac number, because 9364958221 - 2⁵ = 9364958189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9364958201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4682479110 + 4682479111.

It is an arithmetic number, because the mean of its divisors is an integer number (4682479111).

Almost surely, 2^9364958221 is an apocalyptic number.

It is an amenable number.

9364958221 is a deficient number, since it is larger than the sum of its proper divisors (1).

9364958221 is an equidigital number, since it uses as much as digits as its factorization.

9364958221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 9364958221 is about 96772.7142380537. The cubic root of 9364958221 is about 2107.8285441247.

The spelling of 9364958221 in words is "nine billion, three hundred sixty-four million, nine hundred fifty-eight thousand, two hundred twenty-one".