4520827889 has 4 divisors (see below), whose sum is σ = 4528663524. Its totient is φ = 4512992256.

The previous prime is 4520827873. The next prime is 4520827903. The reversal of 4520827889 is 9887280254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9887280254 = 2 ⋅4943640127.

It can be written as a sum of positive squares in 2 ways, for example, as 4391050225 + 129777664 = 66265^2 + 11392^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520827889 - 2⁴ = 4520827873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4520827889.

It is not an unprimeable number, because it can be changed into a prime (4520827819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3916952 + ... + 3918105.

It is an arithmetic number, because the mean of its divisors is an integer number (1132165881).

Almost surely, 2^4520827889 is an apocalyptic number.

It is an amenable number.

4520827889 is a deficient number, since it is larger than the sum of its proper divisors (7835635).

4520827889 is an equidigital number, since it uses as much as digits as its factorization.

4520827889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835634.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 4520827889 is about 67237.1020270803. The cubic root of 4520827889 is about 1653.5068223750.

The spelling of 4520827889 in words is "four billion, five hundred twenty million, eight hundred twenty-seven thousand, eight hundred eighty-nine".