4444413121113 has 32 divisors (see below), whose sum is σ = 6868136650752. Its totient is φ = 2503781280000.

The previous prime is 4444413121097. The next prime is 4444413121117. The reversal of 4444413121113 is 3111213144444.

It is not a de Polignac number, because 4444413121113 - 2⁴ = 4444413121097 is a prime.

It is a super-2 number, since 2×4444413121113² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4444413121117) 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 31 ways as a sum of consecutive naturals, for example, 41385738 + ... + 41492988.

It is an arithmetic number, because the mean of its divisors is an integer number (214629270336).

Almost surely, 2^{4444413121113} is an apocalyptic number.

It is an amenable number.

4444413121113 is a deficient number, since it is larger than the sum of its proper divisors (2423723529639).

4444413121113 is a wasteful number, since it uses less digits than its factorization.

4444413121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135125.

The product of its digits is 18432, while the sum is 33.

Adding to 4444413121113 its reverse (3111213144444), we get a palindrome (7555626265557).

The spelling of 4444413121113 in words is "four trillion, four hundred forty-four billion, four hundred thirteen million, one hundred twenty-one thousand, one hundred thirteen".