543454454293 has 4 divisors (see below), whose sum is σ = 543457844908. Its totient is φ = 543451063680.

The previous prime is 543454454281. The next prime is 543454454297. The reversal of 543454454293 is 392454454345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 459952527204 + 83501927089 = 678198^2 + 288967^2 .

It is a cyclic number.

It is not a de Polignac number, because 543454454293 - 2⁵ = 543454454261 is a prime.

It is a super-2 number, since 2×543454454293² (a number of 24 digits) contains 22 as substring.

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 543454454293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543454454297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442298 + ... + 1779643.

It is an arithmetic number, because the mean of its divisors is an integer number (135864461227).

Almost surely, 2^543454454293 is an apocalyptic number.

It is an amenable number.

543454454293 is a deficient number, since it is larger than the sum of its proper divisors (3390615).

543454454293 is a wasteful number, since it uses less digits than its factorization.

543454454293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390614.

The product of its digits is 20736000, while the sum is 52.

Adding to 543454454293 its sum of digits (52), we get a palindrome (543454454345).

The spelling of 543454454293 in words is "five hundred forty-three billion, four hundred fifty-four million, four hundred fifty-four thousand, two hundred ninety-three".