4448889999 has 12 divisors (see below), whose sum is σ = 6427137912. Its totient is φ = 2965482000.

The previous prime is 4448889989. The next prime is 4448890001. The reversal of 4448889999 is 9999888444.

4448889999 is a `hidden beast` number, since 4 + 448 + 8 + 8 + 99 + 99 = 666.

It is a Cunningham number, because it is equal to 66700²-1.

It is not a de Polignac number, because 4448889999 - 2⁴ = 4448889983 is a prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4448889959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33349 + ... + 100049.

It is an arithmetic number, because the mean of its divisors is an integer number (535594826).

Almost surely, 2^4448889999 is an apocalyptic number.

4448889999 is a deficient number, since it is larger than the sum of its proper divisors (1978247913).

4448889999 is a wasteful number, since it uses less digits than its factorization.

4448889999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74118 (or 74115 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 72.

The square root of 4448889999 is about 66699.9999925037. Note that the first 5 decimals coincide. The cubic root of 4448889999 is about 1644.6893842309.

The spelling of 4448889999 in words is "four billion, four hundred forty-eight million, eight hundred eighty-nine thousand, nine hundred ninety-nine".