444204142213 has 12 divisors (see below), whose sum is σ = 481301729568. Its totient is φ = 409779186960.

The previous prime is 444204142183. The next prime is 444204142223. The reversal of 444204142213 is 312241402444.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-444204142213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444204142223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546223 + ... + 1089388.

It is an arithmetic number, because the mean of its divisors is an integer number (40108477464).

Almost surely, 2^444204142213 is an apocalyptic number.

It is an amenable number.

444204142213 is a deficient number, since it is larger than the sum of its proper divisors (37097587355).

444204142213 is a wasteful number, since it uses less digits than its factorization.

444204142213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637244 (or 1637231 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 444204142213 its reverse (312241402444), we get a palindrome (756445544657).

The spelling of 444204142213 in words is "four hundred forty-four billion, two hundred four million, one hundred forty-two thousand, two hundred thirteen".