539344449 has 24 divisors (see below), whose sum is σ = 914413760. Its totient is φ = 299865888.

The previous prime is 539344447. The next prime is 539344459. The reversal of 539344449 is 944443935.

539344449 is a `hidden beast` number, since 539 + 34 + 44 + 49 = 666.

It is not a de Polignac number, because 539344449 - 2¹ = 539344447 is a prime.

It is a super-2 number, since 2×539344449² = 581784869334227202, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539344447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113359 + ... + 118020.

Almost surely, 2^539344449 is an apocalyptic number.

It is an amenable number.

539344449 is a deficient number, since it is larger than the sum of its proper divisors (375069311).

539344449 is a wasteful number, since it uses less digits than its factorization.

539344449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231429 (or 231426 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 539344449 is about 23223.7905820734. The cubic root of 539344449 is about 813.9956257676.

The spelling of 539344449 in words is "five hundred thirty-nine million, three hundred forty-four thousand, four hundred forty-nine".