505353311463 has 48 divisors (see below), whose sum is σ = 920843634816. Its totient is φ = 242327252160.

The previous prime is 505353311447. The next prime is 505353311521. The reversal of 505353311463 is 364113353505.

It is not a de Polignac number, because 505353311463 - 2⁴ = 505353311447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505353311363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11999181 + ... + 12041222.

It is an arithmetic number, because the mean of its divisors is an integer number (19184242392).

Almost surely, 2^505353311463 is an apocalyptic number.

505353311463 is a deficient number, since it is larger than the sum of its proper divisors (415490323353).

505353311463 is a wasteful number, since it uses less digits than its factorization.

505353311463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24040444 (or 24040437 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 39.

Adding to 505353311463 its reverse (364113353505), we get a palindrome (869466664968).

The spelling of 505353311463 in words is "five hundred five billion, three hundred fifty-three million, three hundred eleven thousand, four hundred sixty-three".