9811882901 has 2 divisors, whose sum is σ = 9811882902. Its totient is φ = 9811882900.

The previous prime is 9811882837. The next prime is 9811882903. The reversal of 9811882901 is 1092881189.

9811882901 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., 9205443025 + 606439876 = 95945^2 + 24626^2 .

It is a cyclic number.

It is not a de Polignac number, because 9811882901 - 2⁶ = 9811882837 is a prime.

Together with 9811882903, 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 (9811882903) 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, 4905941450 + 4905941451.

It is an arithmetic number, because the mean of its divisors is an integer number (4905941451).

Almost surely, 2^9811882901 is an apocalyptic number.

It is an amenable number.

9811882901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9811882901 is an equidigital number, since it uses as much as digits as its factorization.

9811882901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 47.

The square root of 9811882901 is about 99054.9488970642. The cubic root of 9811882901 is about 2140.8395475104.

The spelling of 9811882901 in words is "nine billion, eight hundred eleven million, eight hundred eighty-two thousand, nine hundred one".