9509468539 has 2 divisors, whose sum is σ = 9509468540. Its totient is φ = 9509468538.

The previous prime is 9509468497. The next prime is 9509468569. The reversal of 9509468539 is 9358649059.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9509468539 - 2¹⁹ = 9508944251 is a prime.

It is not a weakly prime, because it can be changed into another prime (9509468569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4754734269 + 4754734270.

It is an arithmetic number, because the mean of its divisors is an integer number (4754734270).

Almost surely, 2^9509468539 is an apocalyptic number.

9509468539 is a deficient number, since it is larger than the sum of its proper divisors (1).

9509468539 is an equidigital number, since it uses as much as digits as its factorization.

9509468539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 58.

The square root of 9509468539 is about 97516.5039313859. The cubic root of 9509468539 is about 2118.6151911350.

The spelling of 9509468539 in words is "nine billion, five hundred nine million, four hundred sixty-eight thousand, five hundred thirty-nine".