8134509497 has 2 divisors, whose sum is σ = 8134509498. Its totient is φ = 8134509496.

The previous prime is 8134509457. The next prime is 8134509517. The reversal of 8134509497 is 7949054318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7162067641 + 972441856 = 84629^2 + 31184^2 .

It is a cyclic number.

It is not a de Polignac number, because 8134509497 - 2⁶ = 8134509433 is a prime.

It is not a weakly prime, because it can be changed into another prime (8134509407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067254748 + 4067254749.

It is an arithmetic number, because the mean of its divisors is an integer number (4067254749).

Almost surely, 2^8134509497 is an apocalyptic number.

It is an amenable number.

8134509497 is a deficient number, since it is larger than the sum of its proper divisors (1).

8134509497 is an equidigital number, since it uses as much as digits as its factorization.

8134509497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 8134509497 is about 90191.5156597338. The cubic root of 8134509497 is about 2011.1468828321.

The spelling of 8134509497 in words is "eight billion, one hundred thirty-four million, five hundred nine thousand, four hundred ninety-seven".