9730836881 has 2 divisors, whose sum is σ = 9730836882. Its totient is φ = 9730836880.

The previous prime is 9730836809. The next prime is 9730836883. The reversal of 9730836881 is 1886380379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5941326400 + 3789510481 = 77080^2 + 61559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9730836881 is a prime.

It is a super-2 number, since 2×9730836881² (a number of 21 digits) contains 22 as substring.

Together with 9730836883, 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 (9730836883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4865418440 + 4865418441.

It is an arithmetic number, because the mean of its divisors is an integer number (4865418441).

Almost surely, 2^9730836881 is an apocalyptic number.

It is an amenable number.

9730836881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9730836881 is an equidigital number, since it uses as much as digits as its factorization.

9730836881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 9730836881 is about 98645.0043387905. The cubic root of 9730836881 is about 2134.9288080732.

The spelling of 9730836881 in words is "nine billion, seven hundred thirty million, eight hundred thirty-six thousand, eight hundred eighty-one".