531933918244 has 9 divisors (see below), whose sum is σ = 930886909617. Its totient is φ = 265966229784.

The previous prime is 531933918221. The next prime is 531933918259. The reversal of 531933918244 is 442819339135.

The square root of 531933918244 is 729338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 252769628644 + 279164289600 = 502762^2 + 528360^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531933918191 and 531933918200.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 1276342 + ... + 1641010.

Almost surely, 2^531933918244 is an apocalyptic number.

531933918244 is the 729338-th square number.

It is an amenable number.

531933918244 is a deficient number, since it is larger than the sum of its proper divisors (398952991373).

531933918244 is an frugal number, since it uses more digits than its factorization.

531933918244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729342 (or 364671 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 531933918244 in words is "five hundred thirty-one billion, nine hundred thirty-three million, nine hundred eighteen thousand, two hundred forty-four".