4439424069 has 12 divisors (see below), whose sum is σ = 6418361196. Its totient is φ = 2956911552.

The previous prime is 4439424053. The next prime is 4439424079. The reversal of 4439424069 is 9604249344.

It can be written as a sum of positive squares in 2 ways, for example, as 1033301025 + 3406123044 = 32145^2 + 58362^2 .

It is not a de Polignac number, because 4439424069 - 2⁴ = 4439424053 is a prime.

It is a super-2 number, since 2×4439424069² = 39416972128833033522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439424079) 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 11 ways as a sum of consecutive naturals, for example, 214954 + ... + 234699.

It is an arithmetic number, because the mean of its divisors is an integer number (534863433).

Almost surely, 2^4439424069 is an apocalyptic number.

It is an amenable number.

4439424069 is a deficient number, since it is larger than the sum of its proper divisors (1978937127).

4439424069 is a wasteful number, since it uses less digits than its factorization.

4439424069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450756 (or 450753 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 4439424069 is about 66629.0032118146. The cubic root of 4439424069 is about 1643.5220841181.

The spelling of 4439424069 in words is "four billion, four hundred thirty-nine million, four hundred twenty-four thousand, sixty-nine".