9745968751 has 2 divisors, whose sum is σ = 9745968752. Its totient is φ = 9745968750.

The previous prime is 9745968611. The next prime is 9745968761. The reversal of 9745968751 is 1578695479.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9745968751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9745968751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9745968761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872984375 + 4872984376.

It is an arithmetic number, because the mean of its divisors is an integer number (4872984376).

Almost surely, 2^9745968751 is an apocalyptic number.

9745968751 is a deficient number, since it is larger than the sum of its proper divisors (1).

9745968751 is an equidigital number, since it uses as much as digits as its factorization.

9745968751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 61.

The square root of 9745968751 is about 98721.6731574177. The cubic root of 9745968751 is about 2136.0348703289.

The spelling of 9745968751 in words is "nine billion, seven hundred forty-five million, nine hundred sixty-eight thousand, seven hundred fifty-one".