4448889357 has 8 divisors (see below), whose sum is σ = 6471111840. Its totient is φ = 2696296560.

The previous prime is 4448889343. The next prime is 4448889359. The reversal of 4448889357 is 7539888444.

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 4448889357 - 2⁷ = 4448889229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4448889357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4448889359) 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 7 ways as a sum of consecutive naturals, for example, 67407382 + ... + 67407447.

It is an arithmetic number, because the mean of its divisors is an integer number (808888980).

Almost surely, 2^4448889357 is an apocalyptic number.

It is an amenable number.

4448889357 is a deficient number, since it is larger than the sum of its proper divisors (2022222483).

4448889357 is a wasteful number, since it uses less digits than its factorization.

4448889357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134814843.

The product of its digits is 30965760, while the sum is 60.

The square root of 4448889357 is about 66699.9951799099. The cubic root of 4448889357 is about 1644.6893051183.

The spelling of 4448889357 in words is "four billion, four hundred forty-eight million, eight hundred eighty-nine thousand, three hundred fifty-seven".