4489865191 has 16 divisors (see below), whose sum is σ = 5305006080. Its totient is φ = 3718542240.

The previous prime is 4489865153. The next prime is 4489865197. The reversal of 4489865191 is 1915689844.

It is not a de Polignac number, because 4489865191 - 2⁷ = 4489865063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489865197) 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, 127305 + ... + 158701.

It is an arithmetic number, because the mean of its divisors is an integer number (331562880).

Almost surely, 2^4489865191 is an apocalyptic number.

4489865191 is a deficient number, since it is larger than the sum of its proper divisors (815140889).

4489865191 is a wasteful number, since it uses less digits than its factorization.

4489865191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32094.

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

The square root of 4489865191 is about 67006.4563381768. The cubic root of 4489865191 is about 1649.7232705178.

The spelling of 4489865191 in words is "four billion, four hundred eighty-nine million, eight hundred sixty-five thousand, one hundred ninety-one".