938538563524 has 27 divisors (see below), whose sum is σ = 1647172574733. Its totient is φ = 467921706000.

The previous prime is 938538563471. The next prime is 938538563527. The reversal of 938538563524 is 425365835839.

It is a happy number.

The square root of 938538563524 is 968782.

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

938538563524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 809427701124 + 129110862400 = 899682^2 + 359320^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (938538563527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1338856374 + ... + 1338857074.

Almost surely, 2^938538563524 is an apocalyptic number.

938538563524 is the 968782-nd square number.

It is an amenable number.

938538563524 is a deficient number, since it is larger than the sum of its proper divisors (708634011209).

938538563524 is an frugal number, since it uses more digits than its factorization.

938538563524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 1394 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 61.

The spelling of 938538563524 in words is "nine hundred thirty-eight billion, five hundred thirty-eight million, five hundred sixty-three thousand, five hundred twenty-four".