505534204463 has 4 divisors (see below), whose sum is σ = 522966418440. Its totient is φ = 488101990488.

The previous prime is 505534204423. The next prime is 505534204471. The reversal of 505534204463 is 364402435505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505534204463 - 2¹⁶ = 505534138927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505534204463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505534204423) 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 3 ways as a sum of consecutive naturals, for example, 8716106945 + ... + 8716107002.

It is an arithmetic number, because the mean of its divisors is an integer number (130741604610).

Almost surely, 2^505534204463 is an apocalyptic number.

505534204463 is a deficient number, since it is larger than the sum of its proper divisors (17432213977).

505534204463 is a wasteful number, since it uses less digits than its factorization.

505534204463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17432213976.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 505534204463 its reverse (364402435505), we get a palindrome (869936639968).

The spelling of 505534204463 in words is "five hundred five billion, five hundred thirty-four million, two hundred four thousand, four hundred sixty-three".