544431243543 has 8 divisors (see below), whose sum is σ = 791899990656. Its totient is φ = 329958329400.

The previous prime is 544431243527. The next prime is 544431243547. The reversal of 544431243543 is 345342134445.

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

It is not a de Polignac number, because 544431243543 - 2⁴ = 544431243527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544431243495 and 544431243504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544431243547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8248958203 + ... + 8248958268.

It is an arithmetic number, because the mean of its divisors is an integer number (98987498832).

Almost surely, 2^544431243543 is an apocalyptic number.

544431243543 is a deficient number, since it is larger than the sum of its proper divisors (247468747113).

544431243543 is a wasteful number, since it uses less digits than its factorization.

544431243543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497916485.

The product of its digits is 1382400, while the sum is 42.

Adding to 544431243543 its reverse (345342134445), we get a palindrome (889773377988).

The spelling of 544431243543 in words is "five hundred forty-four billion, four hundred thirty-one million, two hundred forty-three thousand, five hundred forty-three".