4200538543 has 4 divisors (see below), whose sum is σ = 4201263288. Its totient is φ = 4199813800.

The previous prime is 4200538501. The next prime is 4200538547. The reversal of 4200538543 is 3458350024.

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 4200538543 - 2²⁵ = 4166984111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4200538499 and 4200538508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200538547) 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, 353608 + ... + 365293.

It is an arithmetic number, because the mean of its divisors is an integer number (1050315822).

Almost surely, 2^4200538543 is an apocalyptic number.

4200538543 is a deficient number, since it is larger than the sum of its proper divisors (724745).

4200538543 is an equidigital number, since it uses as much as digits as its factorization.

4200538543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724744.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 4200538543 is about 64811.5618003455. The cubic root of 4200538543 is about 1613.4976034506.

Adding to 4200538543 its reverse (3458350024), we get a palindrome (7658888567).

The spelling of 4200538543 in words is "four billion, two hundred million, five hundred thirty-eight thousand, five hundred forty-three".