4144987249 has 16 divisors (see below), whose sum is σ = 4495377600. Its totient is φ = 3799198656.

The previous prime is 4144987241. The next prime is 4144987283. The reversal of 4144987249 is 9427894414.

It is a cyclic number.

It is not a de Polignac number, because 4144987249 - 2³ = 4144987241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4144987196 and 4144987205.

It is not an unprimeable number, because it can be changed into a prime (4144987241) 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, 1245702 + ... + 1249024.

It is an arithmetic number, because the mean of its divisors is an integer number (280961100).

Almost surely, 2^4144987249 is an apocalyptic number.

It is an amenable number.

4144987249 is a deficient number, since it is larger than the sum of its proper divisors (350390351).

4144987249 is a wasteful number, since it uses less digits than its factorization.

4144987249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984.

The product of its digits is 2322432, while the sum is 52.

The square root of 4144987249 is about 64381.5753845772. The cubic root of 4144987249 is about 1606.3532869957.

The spelling of 4144987249 in words is "four billion, one hundred forty-four million, nine hundred eighty-seven thousand, two hundred forty-nine".