4444113021 has 8 divisors (see below), whose sum is σ = 6274041984. Its totient is φ = 2788463040.

The previous prime is 4444113007. The next prime is 4444113029. The reversal of 4444113021 is 1203114444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4444113021 - 2¹⁸ = 4443850877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4444112982 and 4444113000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444113029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43569685 + ... + 43569786.

It is an arithmetic number, because the mean of its divisors is an integer number (784255248).

Almost surely, 2^4444113021 is an apocalyptic number.

It is an amenable number.

4444113021 is a deficient number, since it is larger than the sum of its proper divisors (1829928963).

4444113021 is a wasteful number, since it uses less digits than its factorization.

4444113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87139491.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4444113021 is about 66664.1809444922. The cubic root of 4444113021 is about 1644.1005138461.

Adding to 4444113021 its reverse (1203114444), we get a palindrome (5647227465).

The spelling of 4444113021 in words is "four billion, four hundred forty-four million, one hundred thirteen thousand, twenty-one".