505363043513 has 2 divisors, whose sum is σ = 505363043514. Its totient is φ = 505363043512.

The previous prime is 505363043459. The next prime is 505363043527. The reversal of 505363043513 is 315340363505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376361391289 + 129001652224 = 613483^2 + 359168^2 .

It is a cyclic number.

It is not a de Polignac number, because 505363043513 - 2¹² = 505363039417 is a prime.

It is not a weakly prime, because it can be changed into another prime (505363043813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252681521756 + 252681521757.

It is an arithmetic number, because the mean of its divisors is an integer number (252681521757).

Almost surely, 2^505363043513 is an apocalyptic number.

It is an amenable number.

505363043513 is a deficient number, since it is larger than the sum of its proper divisors (1).

505363043513 is an equidigital number, since it uses as much as digits as its factorization.

505363043513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 38.

The spelling of 505363043513 in words is "five hundred five billion, three hundred sixty-three million, forty-three thousand, five hundred thirteen".