4144803665 has 8 divisors (see below), whose sum is σ = 5190015168. Its totient is φ = 3171675760.

The previous prime is 4144803629. The next prime is 4144803667. The reversal of 4144803665 is 5663084414.

It is a happy number.

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

It is not a de Polignac number, because 4144803665 - 2⁶ = 4144803601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4144803667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18020771 + ... + 18021000.

It is an arithmetic number, because the mean of its divisors is an integer number (648751896).

Almost surely, 2^4144803665 is an apocalyptic number.

It is an amenable number.

4144803665 is a deficient number, since it is larger than the sum of its proper divisors (1045211503).

4144803665 is a wasteful number, since it uses less digits than its factorization.

4144803665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36041799.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 4144803665 is about 64380.1496192732. The cubic root of 4144803665 is about 1606.3295711917.

The spelling of 4144803665 in words is "four billion, one hundred forty-four million, eight hundred three thousand, six hundred sixty-five".