537198111844 has 27 divisors (see below), whose sum is σ = 998695759243. Its totient is φ = 252787384448.

The previous prime is 537198111841. The next prime is 537198111851. The reversal of 537198111844 is 448111891735.

The square root of 537198111844 is 732938.

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

It can be written as a sum of positive squares in 4 ways, for example, as 15509713444 + 521688398400 = 124538^2 + 722280^2 .

It is a super-2 number, since 2×537198111844² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 537198111791 and 537198111800.

It is not an unprimeable number, because it can be changed into a prime (537198111841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24909114 + ... + 24930670.

Almost surely, 2^537198111844 is an apocalyptic number.

537198111844 is the 732938-th square number.

It is an amenable number.

537198111844 is a deficient number, since it is larger than the sum of its proper divisors (461497647399).

537198111844 is an frugal number, since it uses more digits than its factorization.

537198111844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43152 (or 21576 counting only the distinct ones).

The product of its digits is 967680, while the sum is 52.

The spelling of 537198111844 in words is "five hundred thirty-seven billion, one hundred ninety-eight million, one hundred eleven thousand, eight hundred forty-four".