512886633696889 has 2 divisors, whose sum is σ = 512886633696890. Its totient is φ = 512886633696888.

The previous prime is 512886633696803. The next prime is 512886633696923. The reversal of 512886633696889 is 988696336688215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311540750367289 + 201345883329600 = 17650517^2 + 14189640^2 .

It is a cyclic number.

It is not a de Polignac number, because 512886633696889 - 2¹⁵ = 512886633664121 is a prime.

It is not a weakly prime, because it can be changed into another prime (512886633696289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256443316848444 + 256443316848445.

It is an arithmetic number, because the mean of its divisors is an integer number (256443316848445).

Almost surely, 2^{512886633696889} is an apocalyptic number.

It is an amenable number.

512886633696889 is a deficient number, since it is larger than the sum of its proper divisors (1).

512886633696889 is an equidigital number, since it uses as much as digits as its factorization.

512886633696889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38698352640, while the sum is 88.

The spelling of 512886633696889 in words is "five hundred twelve trillion, eight hundred eighty-six billion, six hundred thirty-three million, six hundred ninety-six thousand, eight hundred eighty-nine".