512912839297 has 4 divisors (see below), whose sum is σ = 513036765360. Its totient is φ = 512788913236.

The previous prime is 512912839207. The next prime is 512912839319. The reversal of 512912839297 is 792938219215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 512912839297 - 2¹⁹ = 512912315009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512912839207) 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 in 3 ways as a sum of consecutive naturals, for example, 61956823 + ... + 61965100.

It is an arithmetic number, because the mean of its divisors is an integer number (128259191340).

Almost surely, 2^512912839297 is an apocalyptic number.

It is an amenable number.

512912839297 is a deficient number, since it is larger than the sum of its proper divisors (123926063).

512912839297 is a wasteful number, since it uses less digits than its factorization.

512912839297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123926062.

The product of its digits is 4898880, while the sum is 58.

The spelling of 512912839297 in words is "five hundred twelve billion, nine hundred twelve million, eight hundred thirty-nine thousand, two hundred ninety-seven".