9641022893 has 2 divisors, whose sum is σ = 9641022894. Its totient is φ = 9641022892.

The previous prime is 9641022889. The next prime is 9641022913. The reversal of 9641022893 is 3982201469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7814913604 + 1826109289 = 88402^2 + 42733^2 .

It is a cyclic number.

It is not a de Polignac number, because 9641022893 - 2² = 9641022889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9641022803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4820511446 + 4820511447.

It is an arithmetic number, because the mean of its divisors is an integer number (4820511447).

Almost surely, 2^9641022893 is an apocalyptic number.

It is an amenable number.

9641022893 is a deficient number, since it is larger than the sum of its proper divisors (1).

9641022893 is an equidigital number, since it uses as much as digits as its factorization.

9641022893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 9641022893 is about 98188.7106188894. The cubic root of 9641022893 is about 2128.3401509468.

The spelling of 9641022893 in words is "nine billion, six hundred forty-one million, twenty-two thousand, eight hundred ninety-three".