4539655881 has 16 divisors (see below), whose sum is σ = 6868512000. Its totient is φ = 2962044144.

The previous prime is 4539655847. The next prime is 4539655907. The reversal of 4539655881 is 1885569354.

4539655881 is a `hidden beast` number, since 4 + 5 + 3 + 9 + 6 + 558 + 81 = 666.

It is not a de Polignac number, because 4539655881 - 2⁶ = 4539655817 is a prime.

It is a super-2 number, since 2×4539655881² = 41216951035795772322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4539655831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1787406 + ... + 1789943.

It is an arithmetic number, because the mean of its divisors is an integer number (429282000).

Almost surely, 2^4539655881 is an apocalyptic number.

It is an amenable number.

4539655881 is a deficient number, since it is larger than the sum of its proper divisors (2328856119).

4539655881 is a wasteful number, since it uses less digits than its factorization.

4539655881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577405 (or 3577399 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The square root of 4539655881 is about 67376.9684758820. The cubic root of 4539655881 is about 1655.7991085596.

The spelling of 4539655881 in words is "four billion, five hundred thirty-nine million, six hundred fifty-five thousand, eight hundred eighty-one".