9796524509 has 2 divisors, whose sum is σ = 9796524510. Its totient is φ = 9796524508.

The previous prime is 9796524503. The next prime is 9796524511. The reversal of 9796524509 is 9054256979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5307122500 + 4489402009 = 72850^2 + 67003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9796524509 is a prime.

It is a Sophie Germain prime.

Together with 9796524511, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9796524503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4898262254 + 4898262255.

It is an arithmetic number, because the mean of its divisors is an integer number (4898262255).

Almost surely, 2^9796524509 is an apocalyptic number.

It is an amenable number.

9796524509 is a deficient number, since it is larger than the sum of its proper divisors (1).

9796524509 is an equidigital number, since it uses as much as digits as its factorization.

9796524509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The square root of 9796524509 is about 98977.3939291190. The cubic root of 9796524509 is about 2139.7219562627.

The spelling of 9796524509 in words is "nine billion, seven hundred ninety-six million, five hundred twenty-four thousand, five hundred nine".