505155024330413 has 2 divisors, whose sum is σ = 505155024330414. Its totient is φ = 505155024330412.

The previous prime is 505155024330343. The next prime is 505155024330449. The reversal of 505155024330413 is 314033420551505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455452707630244 + 49702316700169 = 21341338^2 + 7049987^2 .

It is a cyclic number.

It is not a de Polignac number, because 505155024330413 - 2¹⁸ = 505155024068269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505155024350413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252577512165206 + 252577512165207.

It is an arithmetic number, because the mean of its divisors is an integer number (252577512165207).

Almost surely, 2^{505155024330413} is an apocalyptic number.

It is an amenable number.

505155024330413 is a deficient number, since it is larger than the sum of its proper divisors (1).

505155024330413 is an equidigital number, since it uses as much as digits as its factorization.

505155024330413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 505155024330413 its reverse (314033420551505), we get a palindrome (819188444881918).

The spelling of 505155024330413 in words is "five hundred five trillion, one hundred fifty-five billion, twenty-four million, three hundred thirty thousand, four hundred thirteen".