516993472847 has 2 divisors, whose sum is σ = 516993472848. Its totient is φ = 516993472846.

The previous prime is 516993472739. The next prime is 516993472861. The reversal of 516993472847 is 748274399615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516993472847 - 2¹⁰ = 516993471823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516993478847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258496736423 + 258496736424.

It is an arithmetic number, because the mean of its divisors is an integer number (258496736424).

Almost surely, 2^516993472847 is an apocalyptic number.

516993472847 is a deficient number, since it is larger than the sum of its proper divisors (1).

516993472847 is an equidigital number, since it uses as much as digits as its factorization.

516993472847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 65.

The spelling of 516993472847 in words is "five hundred sixteen billion, nine hundred ninety-three million, four hundred seventy-two thousand, eight hundred forty-seven".