444102433121 has 4 divisors (see below), whose sum is σ = 445074211332. Its totient is φ = 443130654912.

The previous prime is 444102433081. The next prime is 444102433127. The reversal of 444102433121 is 121334201444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300840183121 + 143262250000 = 548489^2 + 378500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444102433121 is a prime.

It is a super-2 number, since 2×444102433121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444102433127) 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 3 ways as a sum of consecutive naturals, for example, 485888420 + ... + 485889333.

It is an arithmetic number, because the mean of its divisors is an integer number (111268552833).

Almost surely, 2^444102433121 is an apocalyptic number.

It is an amenable number.

444102433121 is a deficient number, since it is larger than the sum of its proper divisors (971778211).

444102433121 is an equidigital number, since it uses as much as digits as its factorization.

444102433121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971778210.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 444102433121 its reverse (121334201444), we get a palindrome (565436634565).

The spelling of 444102433121 in words is "four hundred forty-four billion, one hundred two million, four hundred thirty-three thousand, one hundred twenty-one".