4388872243 has 4 divisors (see below), whose sum is σ = 5015854000. Its totient is φ = 3761890488.

The previous prime is 4388872231. The next prime is 4388872261. The reversal of 4388872243 is 3422788834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4388872243 - 2²¹ = 4386775091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4388872273) 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 3 ways as a sum of consecutive naturals, for example, 313490868 + ... + 313490881.

It is an arithmetic number, because the mean of its divisors is an integer number (1253963500).

Almost surely, 2^4388872243 is an apocalyptic number.

4388872243 is a deficient number, since it is larger than the sum of its proper divisors (626981757).

4388872243 is an equidigital number, since it uses as much as digits as its factorization.

4388872243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626981756.

The product of its digits is 2064384, while the sum is 49.

The square root of 4388872243 is about 66248.5640825520. The cubic root of 4388872243 is about 1637.2599798776.

The spelling of 4388872243 in words is "four billion, three hundred eighty-eight million, eight hundred seventy-two thousand, two hundred forty-three".