503564423504 has 10 divisors (see below), whose sum is σ = 975656070570. Its totient is φ = 251782211744.

The previous prime is 503564423477. The next prime is 503564423507. The reversal of 503564423504 is 405324465305.

It can be written as a sum of positive squares in only one way, i.e., 344155875904 + 159408547600 = 586648^2 + 399260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503564423507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15736388219 + ... + 15736388250.

It is an arithmetic number, because the mean of its divisors is an integer number (97565607057).

Almost surely, 2^503564423504 is an apocalyptic number.

It is an amenable number.

503564423504 is a deficient number, since it is larger than the sum of its proper divisors (472091647066).

503564423504 is a wasteful number, since it uses less digits than its factorization.

503564423504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31472776477 (or 31472776471 counting only the distinct ones).

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

Adding to 503564423504 its reverse (405324465305), we get a palindrome (908888888809).

The spelling of 503564423504 in words is "five hundred three billion, five hundred sixty-four million, four hundred twenty-three thousand, five hundred four".