2143507543 has 8 divisors (see below), whose sum is σ = 2286923760. Its totient is φ = 2002016640.

The previous prime is 2143507529. The next prime is 2143507573. The reversal of 2143507543 is 3457053412.

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

It is a cyclic number.

It is not a de Polignac number, because 2143507543 - 2⁹ = 2143507031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143507499 and 2143507508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143507573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479028 + ... + 483481.

It is an arithmetic number, because the mean of its divisors is an integer number (285865470).

Almost surely, 2^2143507543 is an apocalyptic number.

2143507543 is a deficient number, since it is larger than the sum of its proper divisors (143416217).

2143507543 is a wasteful number, since it uses less digits than its factorization.

2143507543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962657.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 2143507543 is about 46298.0295801020. The cubic root of 2143507543 is about 1289.3624121213.

The spelling of 2143507543 in words is "two billion, one hundred forty-three million, five hundred seven thousand, five hundred forty-three".