544421343 has 4 divisors (see below), whose sum is σ = 725895128. Its totient is φ = 362947560.

The previous prime is 544421281. The next prime is 544421357. The reversal of 544421343 is 343124445.

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

It is not a de Polignac number, because 544421343 - 2²⁵ = 510866911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544421343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544421363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90736888 + ... + 90736893.

It is an arithmetic number, because the mean of its divisors is an integer number (181473782).

Almost surely, 2^544421343 is an apocalyptic number.

544421343 is a deficient number, since it is larger than the sum of its proper divisors (181473785).

544421343 is a wasteful number, since it uses less digits than its factorization.

544421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181473784.

The product of its digits is 23040, while the sum is 30.

The square root of 544421343 is about 23332.8382971296. The cubic root of 544421343 is about 816.5417229560.

Adding to 544421343 its reverse (343124445), we get a palindrome (887545788).

The spelling of 544421343 in words is "five hundred forty-four million, four hundred twenty-one thousand, three hundred forty-three".