512874928729 has 2 divisors, whose sum is σ = 512874928730. Its totient is φ = 512874928728.

The previous prime is 512874928717. The next prime is 512874928739. The reversal of 512874928729 is 927829478215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504675264025 + 8199664704 = 710405^2 + 90552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512874928729 is a prime.

It is not a weakly prime, because it can be changed into another prime (512874928739) 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, 256437464364 + 256437464365.

It is an arithmetic number, because the mean of its divisors is an integer number (256437464365).

Almost surely, 2^512874928729 is an apocalyptic number.

It is an amenable number.

512874928729 is a deficient number, since it is larger than the sum of its proper divisors (1).

512874928729 is an equidigital number, since it uses as much as digits as its factorization.

512874928729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 64.

The spelling of 512874928729 in words is "five hundred twelve billion, eight hundred seventy-four million, nine hundred twenty-eight thousand, seven hundred twenty-nine".