4244889805 has 8 divisors (see below), whose sum is σ = 5485703832. Its totient is φ = 3134687808.

The previous prime is 4244889797. The next prime is 4244889811. The reversal of 4244889805 is 5089884424.

It can be written as a sum of positive squares in 4 ways, for example, as 6749604 + 4238140201 = 2598^2 + 65101^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4244889805 - 2³ = 4244889797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32652934 + ... + 32653063.

It is an arithmetic number, because the mean of its divisors is an integer number (685712979).

Almost surely, 2^4244889805 is an apocalyptic number.

It is an amenable number.

4244889805 is a deficient number, since it is larger than the sum of its proper divisors (1240814027).

4244889805 is a wasteful number, since it uses less digits than its factorization.

4244889805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65306015.

The product of its (nonzero) digits is 2949120, while the sum is 52.

The square root of 4244889805 is about 65152.8188568998. The cubic root of 4244889805 is about 1619.1564226889.

It can be divided in two parts, 424488980 and 5, that multiplied together give a square (2122444900 = 46070²).

The spelling of 4244889805 in words is "four billion, two hundred forty-four million, eight hundred eighty-nine thousand, eight hundred five".