539748442 has 4 divisors (see below), whose sum is σ = 809622666. Its totient is φ = 269874220.

The previous prime is 539748413. The next prime is 539748463. The reversal of 539748442 is 244847935.

It is a happy number.

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., 475283601 + 64464841 = 21801^2 + 8029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 539748392 and 539748401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134937109 + ... + 134937112.

Almost surely, 2^539748442 is an apocalyptic number.

539748442 is a deficient number, since it is larger than the sum of its proper divisors (269874224).

539748442 is a wasteful number, since it uses less digits than its factorization.

539748442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269874223.

The product of its digits is 967680, while the sum is 46.

The square root of 539748442 is about 23232.4867803686. The cubic root of 539748442 is about 814.1988146958.

The spelling of 539748442 in words is "five hundred thirty-nine million, seven hundred forty-eight thousand, four hundred forty-two".