9509724113 has 2 divisors, whose sum is σ = 9509724114. Its totient is φ = 9509724112.

The previous prime is 9509724079. The next prime is 9509724139. The reversal of 9509724113 is 3114279059.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8207091649 + 1302632464 = 90593^2 + 36092^2 .

It is a cyclic number.

It is not a de Polignac number, because 9509724113 - 2¹⁰ = 9509723089 is a prime.

It is not a weakly prime, because it can be changed into another prime (9509724173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4754862056 + 4754862057.

It is an arithmetic number, because the mean of its divisors is an integer number (4754862057).

Almost surely, 2^9509724113 is an apocalyptic number.

It is an amenable number.

9509724113 is a deficient number, since it is larger than the sum of its proper divisors (1).

9509724113 is an equidigital number, since it uses as much as digits as its factorization.

9509724113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 9509724113 is about 97517.8143366636. The cubic root of 9509724113 is about 2118.6341707484.

The spelling of 9509724113 in words is "nine billion, five hundred nine million, seven hundred twenty-four thousand, one hundred thirteen".