4388872273 has 2 divisors, whose sum is σ = 4388872274. Its totient is φ = 4388872272.

The previous prime is 4388872261. The next prime is 4388872381. The reversal of 4388872273 is 3722788834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4081676544 + 307195729 = 63888^2 + 17527^2 .

It is a cyclic number.

It is not a de Polignac number, because 4388872273 - 2⁹ = 4388871761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4388872273.

It is not a weakly prime, because it can be changed into another prime (4398872273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194436136 + 2194436137.

It is an arithmetic number, because the mean of its divisors is an integer number (2194436137).

Almost surely, 2^4388872273 is an apocalyptic number.

It is an amenable number.

4388872273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4388872273 is an equidigital number, since it uses as much as digits as its factorization.

4388872273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 52.

The square root of 4388872273 is about 66248.5643089720. The cubic root of 4388872273 is about 1637.2599836081.

The spelling of 4388872273 in words is "four billion, three hundred eighty-eight million, eight hundred seventy-two thousand, two hundred seventy-three".