505335422355443 has 16 divisors (see below), whose sum is σ = 524799961152480. Its totient is φ = 486006865698816.

The previous prime is 505335422355397. The next prime is 505335422355509. The reversal of 505335422355443 is 344553224533505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505335422355443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505335422325443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953696780 + ... + 954226502.

It is an arithmetic number, because the mean of its divisors is an integer number (32799997572030).

Almost surely, 2^{505335422355443} is an apocalyptic number.

505335422355443 is a deficient number, since it is larger than the sum of its proper divisors (19464538797037).

505335422355443 is a wasteful number, since it uses less digits than its factorization.

505335422355443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658006.

The product of its (nonzero) digits is 64800000, while the sum is 53.

Adding to 505335422355443 its reverse (344553224533505), we get a palindrome (849888646888948).

The spelling of 505335422355443 in words is "five hundred five trillion, three hundred thirty-five billion, four hundred twenty-two million, three hundred fifty-five thousand, four hundred forty-three".