255017605365829 has 2 divisors, whose sum is σ = 255017605365830. Its totient is φ = 255017605365828.

The previous prime is 255017605365811. The next prime is 255017605365863. The reversal of 255017605365829 is 928563506710552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233781194909025 + 21236410456804 = 15289905^2 + 4608298^2 .

It is a cyclic number.

It is not a de Polignac number, because 255017605365829 - 2¹⁵ = 255017605333061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255017605368829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127508802682914 + 127508802682915.

It is an arithmetic number, because the mean of its divisors is an integer number (127508802682915).

Almost surely, 2^{255017605365829} is an apocalyptic number.

It is an amenable number.

255017605365829 is a deficient number, since it is larger than the sum of its proper divisors (1).

255017605365829 is an equidigital number, since it uses as much as digits as its factorization.

255017605365829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080000, while the sum is 64.

The spelling of 255017605365829 in words is "two hundred fifty-five trillion, seventeen billion, six hundred five million, three hundred sixty-five thousand, eight hundred twenty-nine".