512999999957 has 2 divisors, whose sum is σ = 512999999958. Its totient is φ = 512999999956.

The previous prime is 512999999933. The next prime is 513000000001. The reversal of 512999999957 is 759999999215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509216396836 + 3783603121 = 713594^2 + 61511^2 .

It is a cyclic number.

It is not a de Polignac number, because 512999999957 - 2¹⁰ = 512999998933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512999999917) 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, 256499999978 + 256499999979.

It is an arithmetic number, because the mean of its divisors is an integer number (256499999979).

Almost surely, 2^512999999957 is an apocalyptic number.

It is an amenable number.

512999999957 is a deficient number, since it is larger than the sum of its proper divisors (1).

512999999957 is an equidigital number, since it uses as much as digits as its factorization.

512999999957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1674039150, while the sum is 83.

The spelling of 512999999957 in words is "five hundred twelve billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-seven".