444162306213 has 6 divisors (see below), whose sum is σ = 641567775654. Its totient is φ = 296108204136.

The previous prime is 444162306113. The next prime is 444162306271. The reversal of 444162306213 is 312603261444.

444162306213 is a `hidden beast` number, since 4 + 4 + 4 + 1 + 6 + 23 + 0 + 621 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 442042808769 + 2119497444 = 664863^2 + 46038^2 .

It is not a de Polignac number, because 444162306213 - 2¹² = 444162302117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444162306293) 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 5 ways as a sum of consecutive naturals, for example, 24675683670 + ... + 24675683687.

It is an arithmetic number, because the mean of its divisors is an integer number (106927962609).

Almost surely, 2^444162306213 is an apocalyptic number.

It is an amenable number.

444162306213 is a deficient number, since it is larger than the sum of its proper divisors (197405469441).

444162306213 is a wasteful number, since it uses less digits than its factorization.

444162306213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351367363 (or 49351367360 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 444162306213 its reverse (312603261444), we get a palindrome (756765567657).

The spelling of 444162306213 in words is "four hundred forty-four billion, one hundred sixty-two million, three hundred six thousand, two hundred thirteen".