9810641 has 2 divisors, whose sum is σ = 9810642. Its totient is φ = 9810640.

The previous prime is 9810637. The next prime is 9810643. The reversal of 9810641 is 1460189.

9810641 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., 8065600 + 1745041 = 2840^2 + 1321^2 .

It is an emirp because it is prime and its reverse (1460189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9810641 - 2² = 9810637 is a prime.

Together with 9810643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9810643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4905320 + 4905321.

It is an arithmetic number, because the mean of its divisors is an integer number (4905321).

Almost surely, 2^9810641 is an apocalyptic number.

It is an amenable number.

9810641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9810641 is an equidigital number, since it uses as much as digits as its factorization.

9810641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 9810641 is about 3132.1942787765. The cubic root of 9810641 is about 214.0749220880.

The spelling of 9810641 in words is "nine million, eight hundred ten thousand, six hundred forty-one".