4538755985 has 4 divisors (see below), whose sum is σ = 5446507188. Its totient is φ = 3631004784.

The previous prime is 4538755961. The next prime is 4538756039. The reversal of 4538755985 is 5895578354.

It is a happy number.

4538755985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1797081664 + 2741674321 = 42392^2 + 52361^2 .

It is a cyclic number.

It is not a de Polignac number, because 4538755985 - 2²⁰ = 4537707409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453875594 + ... + 453875603.

It is an arithmetic number, because the mean of its divisors is an integer number (1361626797).

Almost surely, 2^4538755985 is an apocalyptic number.

It is an amenable number.

4538755985 is a deficient number, since it is larger than the sum of its proper divisors (907751203).

4538755985 is an equidigital number, since it uses as much as digits as its factorization.

4538755985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907751202.

The product of its digits is 30240000, while the sum is 59.

The square root of 4538755985 is about 67370.2900765612. The cubic root of 4538755985 is about 1655.6896916418.

The spelling of 4538755985 in words is "four billion, five hundred thirty-eight million, seven hundred fifty-five thousand, nine hundred eighty-five".