504605800643 has 4 divisors (see below), whose sum is σ = 576692343600. Its totient is φ = 432519257688.

The previous prime is 504605800613. The next prime is 504605800661. The reversal of 504605800643 is 346008506405.

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

It is not a de Polignac number, because 504605800643 - 2¹⁴ = 504605784259 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 504605800643.

It is not an unprimeable number, because it can be changed into a prime (504605800613) 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, 36043271468 + ... + 36043271481.

It is an arithmetic number, because the mean of its divisors is an integer number (144173085900).

Almost surely, 2^504605800643 is an apocalyptic number.

504605800643 is a deficient number, since it is larger than the sum of its proper divisors (72086542957).

504605800643 is an equidigital number, since it uses as much as digits as its factorization.

504605800643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72086542956.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 504605800643 in words is "five hundred four billion, six hundred five million, eight hundred thousand, six hundred forty-three".