543741270221 has 4 divisors (see below), whose sum is σ = 544809524700. Its totient is φ = 542673015744.

The previous prime is 543741270211. The next prime is 543741270227. The reversal of 543741270221 is 122072147345.

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 476665968100 + 67075302121 = 690410^2 + 258989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543741270221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543741270227) 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, 534126476 + ... + 534127493.

It is an arithmetic number, because the mean of its divisors is an integer number (136202381175).

Almost surely, 2^543741270221 is an apocalyptic number.

It is an amenable number.

543741270221 is a deficient number, since it is larger than the sum of its proper divisors (1068254479).

543741270221 is a wasteful number, since it uses less digits than its factorization.

543741270221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068254478.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 543741270221 in words is "five hundred forty-three billion, seven hundred forty-one million, two hundred seventy thousand, two hundred twenty-one".