481339539 has 12 divisors (see below), whose sum is σ = 696328672. Its totient is φ = 320403600.

The previous prime is 481339519. The next prime is 481339543. The reversal of 481339539 is 935933184.

481339539 is a `hidden beast` number, since 4 + 81 + 3 + 39 + 539 = 666.

It is not a de Polignac number, because 481339539 - 2⁸ = 481339283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481339494 and 481339503.

It is not an unprimeable number, because it can be changed into a prime (481339519) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 34507 + ... + 46404.

Almost surely, 2^481339539 is an apocalyptic number.

481339539 is a deficient number, since it is larger than the sum of its proper divisors (214989133).

481339539 is a wasteful number, since it uses less digits than its factorization.

481339539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81578 (or 81575 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 481339539 is about 21939.4516567757. The cubic root of 481339539 is about 783.7012014519.

The spelling of 481339539 in words is "four hundred eighty-one million, three hundred thirty-nine thousand, five hundred thirty-nine".