504564623506 has 4 divisors (see below), whose sum is σ = 756846935262. Its totient is φ = 252282311752.

The previous prime is 504564623449. The next prime is 504564623533. The reversal of 504564623506 is 605326465405.

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

It can be written as a sum of positive squares in only one way, i.e., 377169167881 + 127395455625 = 614141^2 + 356925^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126141155875 + ... + 126141155878.

Almost surely, 2^504564623506 is an apocalyptic number.

504564623506 is a deficient number, since it is larger than the sum of its proper divisors (252282311756).

504564623506 is a wasteful number, since it uses less digits than its factorization.

504564623506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252282311755.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 504564623506 in words is "five hundred four billion, five hundred sixty-four million, six hundred twenty-three thousand, five hundred six".