544005169 has 8 divisors (see below), whose sum is σ = 585955040. Its totient is φ = 503387136.

The previous prime is 544005167. The next prime is 544005173. The reversal of 544005169 is 961500445.

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

It is a 5-Lehmer number, since φ(544005169) divides (544005169-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 544005169 - 2¹ = 544005167 is a prime.

It is a super-2 number, since 2×544005169² = 591883247797437122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544005167) by changing a digit.

It is a nontrivial repunit in base 816.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332112 + ... + 333745.

It is an arithmetic number, because the mean of its divisors is an integer number (73244380).

Almost surely, 2^544005169 is an apocalyptic number.

It is an amenable number.

544005169 is a deficient number, since it is larger than the sum of its proper divisors (41949871).

544005169 is a wasteful number, since it uses less digits than its factorization.

544005169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665919.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 544005169 is about 23323.9183886413. The cubic root of 544005169 is about 816.3336059237. Note that the first 3 decimals are identical.

The spelling of 544005169 in words is "five hundred forty-four million, five thousand, one hundred sixty-nine".