512469311777 has 2 divisors, whose sum is σ = 512469311778. Its totient is φ = 512469311776.

The previous prime is 512469311687. The next prime is 512469311819. The reversal of 512469311777 is 777113964215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390363793681 + 122105518096 = 624791^2 + 349436^2 .

It is a cyclic number.

It is not a de Polignac number, because 512469311777 - 2¹⁶ = 512469246241 is a prime.

It is not a weakly prime, because it can be changed into another prime (512469211777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256234655888 + 256234655889.

It is an arithmetic number, because the mean of its divisors is an integer number (256234655889).

Almost surely, 2^512469311777 is an apocalyptic number.

It is an amenable number.

512469311777 is a deficient number, since it is larger than the sum of its proper divisors (1).

512469311777 is an equidigital number, since it uses as much as digits as its factorization.

512469311777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 53.

The spelling of 512469311777 in words is "five hundred twelve billion, four hundred sixty-nine million, three hundred eleven thousand, seven hundred seventy-seven".