544118919 has 4 divisors (see below), whose sum is σ = 725491896. Its totient is φ = 362745944.

The previous prime is 544118879. The next prime is 544118921. The reversal of 544118919 is 919811445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 544118919 - 2⁷ = 544118791 is a prime.

It is a super-2 number, since 2×544118919² = 592130796027457122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544118969) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 90686484 + ... + 90686489.

It is an arithmetic number, because the mean of its divisors is an integer number (181372974).

Almost surely, 2^544118919 is an apocalyptic number.

544118919 is a deficient number, since it is larger than the sum of its proper divisors (181372977).

544118919 is a wasteful number, since it uses less digits than its factorization.

544118919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181372976.

The product of its digits is 51840, while the sum is 42.

The square root of 544118919 is about 23326.3567451070. The cubic root of 544118919 is about 816.3904996701.

The spelling of 544118919 in words is "five hundred forty-four million, one hundred eighteen thousand, nine hundred nineteen".