9730638761 has 2 divisors, whose sum is σ = 9730638762. Its totient is φ = 9730638760.

The previous prime is 9730638751. The next prime is 9730638803. The reversal of 9730638761 is 1678360379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9730638736 + 25 = 98644^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 9730638761 - 2¹⁰ = 9730637737 is a prime.

It is not a weakly prime, because it can be changed into another prime (9730638751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4865319380 + 4865319381.

It is an arithmetic number, because the mean of its divisors is an integer number (4865319381).

Almost surely, 2^9730638761 is an apocalyptic number.

It is an amenable number.

9730638761 is a deficient number, since it is larger than the sum of its proper divisors (1).

9730638761 is an equidigital number, since it uses as much as digits as its factorization.

9730638761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 9730638761 is about 98644.0001267183. Note that the first 3 decimals coincide. The cubic root of 9730638761 is about 2134.9143189129.

The spelling of 9730638761 in words is "nine billion, seven hundred thirty million, six hundred thirty-eight thousand, seven hundred sixty-one".