539645043 has 8 divisors (see below), whose sum is σ = 822316288. Its totient is φ = 308368584.

The previous prime is 539645039. The next prime is 539645053. The reversal of 539645043 is 340546935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 539645043 - 2² = 539645039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539644992 and 539645010.

It is not an unprimeable number, because it can be changed into a prime (539645033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12848671 + ... + 12848712.

It is an arithmetic number, because the mean of its divisors is an integer number (102789536).

Almost surely, 2^539645043 is an apocalyptic number.

539645043 is a deficient number, since it is larger than the sum of its proper divisors (282671245).

539645043 is a wasteful number, since it uses less digits than its factorization.

539645043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25697393.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 539645043 is about 23230.2613631444. The cubic root of 539645043 is about 814.1468196594.

The spelling of 539645043 in words is "five hundred thirty-nine million, six hundred forty-five thousand, forty-three".