4537234881 has 9 divisors (see below), whose sum is σ = 6554075619. Its totient is φ = 3024688536.

The previous prime is 4537234879. The next prime is 4537234931. The reversal of 4537234881 is 1884327354.

The square root of 4537234881 is 67359.

It is a perfect power (a square), and thus also a powerful number.

4537234881 is a `hidden beast` number, since 4 + 537 + 2 + 34 + 8 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 481583025 + 4055651856 = 21945^2 + 63684^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4537234881 - 2¹ = 4537234879 is a prime.

It is a super-3 number, since 3×4537234881³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4537230881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 190851 + ... + 213303.

Almost surely, 2^4537234881 is an apocalyptic number.

4537234881 is the 67359-th square number.

4537234881 is the 33680-th centered octagonal number.

It is an amenable number.

4537234881 is a deficient number, since it is larger than the sum of its proper divisors (2016840738).

4537234881 is an frugal number, since it uses more digits than its factorization.

4537234881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44912 (or 22456 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The cubic root of 4537234881 is about 1655.5047101463.

The spelling of 4537234881 in words is "four billion, five hundred thirty-seven million, two hundred thirty-four thousand, eight hundred eighty-one".