4538910889 has 8 divisors (see below), whose sum is σ = 4602826152. Its totient is φ = 4475412480.

The previous prime is 4538910851. The next prime is 4538910899. The reversal of 4538910889 is 9880198354.

It can be written as a sum of positive squares in 4 ways, for example, as 457617664 + 4081293225 = 21392^2 + 63885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4538910889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4538910839) 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 7 ways as a sum of consecutive naturals, for example, 82252 + ... + 125869.

It is an arithmetic number, because the mean of its divisors is an integer number (575353269).

Almost surely, 2^4538910889 is an apocalyptic number.

It is an amenable number.

4538910889 is a deficient number, since it is larger than the sum of its proper divisors (63915263).

4538910889 is a wasteful number, since it uses less digits than its factorization.

4538910889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208427.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 4538910889 is about 67371.4397129822. The cubic root of 4538910889 is about 1655.7085272023.

The spelling of 4538910889 in words is "four billion, five hundred thirty-eight million, nine hundred ten thousand, eight hundred eighty-nine".