9730638751 has 2 divisors, whose sum is σ = 9730638752. Its totient is φ = 9730638750.

The previous prime is 9730638719. The next prime is 9730638761. The reversal of 9730638751 is 1578360379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9730638751 - 2⁵ = 9730638719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9730638695 and 9730638704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9730638761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4865319375 + 4865319376.

It is an arithmetic number, because the mean of its divisors is an integer number (4865319376).

Almost surely, 2^9730638751 is an apocalyptic number.

9730638751 is a deficient number, since it is larger than the sum of its proper divisors (1).

9730638751 is an equidigital number, since it uses as much as digits as its factorization.

9730638751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 9730638751 is about 98644.0000760310. Note that the first 4 decimals coincide. The cubic root of 9730638751 is about 2134.9143181815.

The spelling of 9730638751 in words is "nine billion, seven hundred thirty million, six hundred thirty-eight thousand, seven hundred fifty-one".