44104433621 has 2 divisors, whose sum is σ = 44104433622. Its totient is φ = 44104433620.

The previous prime is 44104433539. The next prime is 44104433717. The reversal of 44104433621 is 12633440144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36143332996 + 7961100625 = 190114^2 + 89225^2 .

It is a cyclic number.

It is not a de Polignac number, because 44104433621 - 2¹⁴ = 44104417237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44104423621) 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 as a sum of consecutive naturals, namely, 22052216810 + 22052216811.

It is an arithmetic number, because the mean of its divisors is an integer number (22052216811).

Almost surely, 2^44104433621 is an apocalyptic number.

It is an amenable number.

44104433621 is a deficient number, since it is larger than the sum of its proper divisors (1).

44104433621 is an equidigital number, since it uses as much as digits as its factorization.

44104433621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 44104433621 its reverse (12633440144), we get a palindrome (56737873765).

The spelling of 44104433621 in words is "forty-four billion, one hundred four million, four hundred thirty-three thousand, six hundred twenty-one".