512280030869 has 2 divisors, whose sum is σ = 512280030870. Its totient is φ = 512280030868.

The previous prime is 512280030811. The next prime is 512280030877. The reversal of 512280030869 is 968030082215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476686680625 + 35593350244 = 690425^2 + 188662^2 .

It is a cyclic number.

It is not a de Polignac number, because 512280030869 - 2³⁶ = 443560554133 is a prime.

It is a super-2 number, since 2×512280030869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512280330869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256140015434 + 256140015435.

It is an arithmetic number, because the mean of its divisors is an integer number (256140015435).

Almost surely, 2^512280030869 is an apocalyptic number.

It is an amenable number.

512280030869 is a deficient number, since it is larger than the sum of its proper divisors (1).

512280030869 is an equidigital number, since it uses as much as digits as its factorization.

512280030869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 512280030869 in words is "five hundred twelve billion, two hundred eighty million, thirty thousand, eight hundred sixty-nine".