444013193 has 6 divisors (see below), whose sum is σ = 480795534. Its totient is φ = 409858176.

The previous prime is 444013189. The next prime is 444013237. The reversal of 444013193 is 391310444.

It can be written as a sum of positive squares in 3 ways, for example, as 32410249 + 411602944 = 5693^2 + 20288^2 .

It is not a de Polignac number, because 444013193 - 2² = 444013189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444013153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1313480 + ... + 1313817.

It is an arithmetic number, because the mean of its divisors is an integer number (80132589).

Almost surely, 2^444013193 is an apocalyptic number.

It is an amenable number.

444013193 is a deficient number, since it is larger than the sum of its proper divisors (36782341).

444013193 is a wasteful number, since it uses less digits than its factorization.

444013193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627323 (or 2627310 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 444013193 is about 21071.6205594159. The cubic root of 444013193 is about 762.8959186562.

The spelling of 444013193 in words is "four hundred forty-four million, thirteen thousand, one hundred ninety-three".