2124449543 has 4 divisors (see below), whose sum is σ = 2126762160. Its totient is φ = 2122136928.

The previous prime is 2124449539. The next prime is 2124449581. The reversal of 2124449543 is 3459444212.

It is a happy number.

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 2124449543 - 2² = 2124449539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124449497 and 2124449506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124449513) 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, 1154930 + ... + 1156767.

It is an arithmetic number, because the mean of its divisors is an integer number (531690540).

Almost surely, 2^2124449543 is an apocalyptic number.

2124449543 is a deficient number, since it is larger than the sum of its proper divisors (2312617).

2124449543 is an equidigital number, since it uses as much as digits as its factorization.

2124449543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312616.

The product of its digits is 138240, while the sum is 38.

The square root of 2124449543 is about 46091.7513553130. The cubic root of 2124449543 is about 1285.5297755502.

The spelling of 2124449543 in words is "two billion, one hundred twenty-four million, four hundred forty-nine thousand, five hundred forty-three".