505052800013 has 2 divisors, whose sum is σ = 505052800014. Its totient is φ = 505052800012.

The previous prime is 505052799913. The next prime is 505052800067. The reversal of 505052800013 is 310008250505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463464131524 + 41588668489 = 680782^2 + 203933^2 .

It is a cyclic number.

It is not a de Polignac number, because 505052800013 - 2¹² = 505052795917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505052800613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252526400006 + 252526400007.

It is an arithmetic number, because the mean of its divisors is an integer number (252526400007).

Almost surely, 2^505052800013 is an apocalyptic number.

It is an amenable number.

505052800013 is a deficient number, since it is larger than the sum of its proper divisors (1).

505052800013 is an equidigital number, since it uses as much as digits as its factorization.

505052800013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 505052800013 in words is "five hundred five billion, fifty-two million, eight hundred thousand, thirteen".