5444023653989 has 8 divisors (see below), whose sum is σ = 5580606061080. Its totient is φ = 5309117104896.

The previous prime is 5444023653983. The next prime is 5444023654019. The reversal of 5444023653989 is 9893563204445.

It can be written as a sum of positive squares in 4 ways, for example, as 1381017477889 + 4063006176100 = 1175167^2 + 2015690^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5444023653989 is a prime.

It is a super-2 number, since 2×5444023653989² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444023653983) 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, 418957922 + ... + 418970915.

It is an arithmetic number, because the mean of its divisors is an integer number (697575757635).

Almost surely, 2^{5444023653989} is an apocalyptic number.

It is an amenable number.

5444023653989 is a deficient number, since it is larger than the sum of its proper divisors (136582407091).

5444023653989 is an equidigital number, since it uses as much as digits as its factorization.

5444023653989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837928999.

The product of its (nonzero) digits is 111974400, while the sum is 62.

The spelling of 5444023653989 in words is "five trillion, four hundred forty-four billion, twenty-three million, six hundred fifty-three thousand, nine hundred eighty-nine".