512173247039 has 2 divisors, whose sum is σ = 512173247040. Its totient is φ = 512173247038.

The previous prime is 512173247023. The next prime is 512173247077. The reversal of 512173247039 is 930742371215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512173247039 - 2⁴ = 512173247023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512173247639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256086623519 + 256086623520.

It is an arithmetic number, because the mean of its divisors is an integer number (256086623520).

Almost surely, 2^512173247039 is an apocalyptic number.

512173247039 is a deficient number, since it is larger than the sum of its proper divisors (1).

512173247039 is an equidigital number, since it uses as much as digits as its factorization.

512173247039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 512173247039 in words is "five hundred twelve billion, one hundred seventy-three million, two hundred forty-seven thousand, thirty-nine".