4442738273 has 2 divisors, whose sum is σ = 4442738274. Its totient is φ = 4442738272.

The previous prime is 4442738249. The next prime is 4442738329. The reversal of 4442738273 is 3728372444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3915255184 + 527483089 = 62572^2 + 22967^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442738273 - 2¹⁰ = 4442737249 is a prime.

It is not a weakly prime, because it can be changed into another prime (4442738233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221369136 + 2221369137.

It is an arithmetic number, because the mean of its divisors is an integer number (2221369137).

Almost surely, 2^4442738273 is an apocalyptic number.

It is an amenable number.

4442738273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442738273 is an equidigital number, since it uses as much as digits as its factorization.

4442738273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 44.

The square root of 4442738273 is about 66653.8691525106. The cubic root of 4442738273 is about 1643.9309669284.

The spelling of 4442738273 in words is "four billion, four hundred forty-two million, seven hundred thirty-eight thousand, two hundred seventy-three".