9800630641 has 2 divisors, whose sum is σ = 9800630642. Its totient is φ = 9800630640.

The previous prime is 9800630639. The next prime is 9800630677. The reversal of 9800630641 is 1460360089.

9800630641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8336420416 + 1464210225 = 91304^2 + 38265^2 .

It is a cyclic number.

It is not a de Polignac number, because 9800630641 - 2¹ = 9800630639 is a prime.

It is a super-3 number, since 3×9800630641³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 9800630639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9800630641.

It is not a weakly prime, because it can be changed into another prime (9800633641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900315320 + 4900315321.

It is an arithmetic number, because the mean of its divisors is an integer number (4900315321).

Almost surely, 2^9800630641 is an apocalyptic number.

It is an amenable number.

9800630641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9800630641 is an equidigital number, since it uses as much as digits as its factorization.

9800630641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 9800630641 is about 98998.1345329295. The cubic root of 9800630641 is about 2140.0208634091.

The spelling of 9800630641 in words is "nine billion, eight hundred million, six hundred thirty thousand, six hundred forty-one".