499996320517 has 2 divisors, whose sum is σ = 499996320518. Its totient is φ = 499996320516.

The previous prime is 499996320497. The next prime is 499996320521. The reversal of 499996320517 is 715023699994.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371717018596 + 128279301921 = 609686^2 + 358161^2 .

It is a cyclic number.

It is not a de Polignac number, because 499996320517 - 2⁷ = 499996320389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499996320217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249998160258 + 249998160259.

It is an arithmetic number, because the mean of its divisors is an integer number (249998160259).

Almost surely, 2^499996320517 is an apocalyptic number.

It is an amenable number.

499996320517 is a deficient number, since it is larger than the sum of its proper divisors (1).

499996320517 is an equidigital number, since it uses as much as digits as its factorization.

499996320517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33067440, while the sum is 64.

The spelling of 499996320517 in words is "four hundred ninety-nine billion, nine hundred ninety-six million, three hundred twenty thousand, five hundred seventeen".