539736449 has 4 divisors (see below), whose sum is σ = 616841664. Its totient is φ = 462631236.

The previous prime is 539736433. The next prime is 539736481. The reversal of 539736449 is 944637935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 539736449 - 2⁴ = 539736433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 539736397 and 539736406.

It is not an unprimeable number, because it can be changed into a prime (539736749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38552597 + ... + 38552610.

It is an arithmetic number, because the mean of its divisors is an integer number (154210416).

Almost surely, 2^539736449 is an apocalyptic number.

It is an amenable number.

539736449 is a deficient number, since it is larger than the sum of its proper divisors (77105215).

539736449 is an equidigital number, since it uses as much as digits as its factorization.

539736449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77105214.

The product of its digits is 2449440, while the sum is 50.

The square root of 539736449 is about 23232.2286705344. The cubic root of 539736449 is about 814.1927842577.

The spelling of 539736449 in words is "five hundred thirty-nine million, seven hundred thirty-six thousand, four hundred forty-nine".