9883081261 has 2 divisors, whose sum is σ = 9883081262. Its totient is φ = 9883081260.

The previous prime is 9883081259. The next prime is 9883081277. The reversal of 9883081261 is 1621803889.

9883081261 is digitally balanced in base 2, 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., 9190865161 + 692216100 = 95869^2 + 26310^2 .

It is a cyclic number.

It is not a de Polignac number, because 9883081261 - 2¹ = 9883081259 is a prime.

Together with 9883081259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9883081861) 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, 4941540630 + 4941540631.

It is an arithmetic number, because the mean of its divisors is an integer number (4941540631).

Almost surely, 2^9883081261 is an apocalyptic number.

It is an amenable number.

9883081261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9883081261 is an equidigital number, since it uses as much as digits as its factorization.

9883081261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 9883081261 is about 99413.6874932220. The cubic root of 9883081261 is about 2146.0052927834.

The spelling of 9883081261 in words is "nine billion, eight hundred eighty-three million, eighty-one thousand, two hundred sixty-one".