5444105405321 has 16 divisors (see below), whose sum is σ = 6000433087488. Its totient is φ = 4898015654400.

The previous prime is 5444105405317. The next prime is 5444105405329. The reversal of 5444105405321 is 1235045014445.

It is not a de Polignac number, because 5444105405321 - 2² = 5444105405317 is a prime.

It is a super-2 number, since 2×5444105405321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5444105405329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50792216 + ... + 50899286.

It is an arithmetic number, because the mean of its divisors is an integer number (375027067968).

Almost surely, 2^{5444105405321} is an apocalyptic number.

It is an amenable number.

5444105405321 is a deficient number, since it is larger than the sum of its proper divisors (556327682167).

5444105405321 is a wasteful number, since it uses less digits than its factorization.

5444105405321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154832.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 5444105405321 in words is "five trillion, four hundred forty-four billion, one hundred five million, four hundred five thousand, three hundred twenty-one".