512427206857 has 2 divisors, whose sum is σ = 512427206858. Its totient is φ = 512427206856.

The previous prime is 512427206849. The next prime is 512427206861. The reversal of 512427206857 is 758602724215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501520328761 + 10906878096 = 708181^2 + 104436^2 .

It is a cyclic number.

It is not a de Polignac number, because 512427206857 - 2³ = 512427206849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512427206857.

It is not a weakly prime, because it can be changed into another prime (512427206887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256213603428 + 256213603429.

It is an arithmetic number, because the mean of its divisors is an integer number (256213603429).

Almost surely, 2^512427206857 is an apocalyptic number.

It is an amenable number.

512427206857 is a deficient number, since it is larger than the sum of its proper divisors (1).

512427206857 is an equidigital number, since it uses as much as digits as its factorization.

512427206857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 512427206857 in words is "five hundred twelve billion, four hundred twenty-seven million, two hundred six thousand, eight hundred fifty-seven".