2099852543 has 2 divisors, whose sum is σ = 2099852544. Its totient is φ = 2099852542.

The previous prime is 2099852509. The next prime is 2099852569. The reversal of 2099852543 is 3452589902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2099852543 - 2⁶ = 2099852479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099852143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049926271 + 1049926272.

It is an arithmetic number, because the mean of its divisors is an integer number (1049926272).

Almost surely, 2^2099852543 is an apocalyptic number.

2099852543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099852543 is an equidigital number, since it uses as much as digits as its factorization.

2099852543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 2099852543 is about 45824.1480335423. The cubic root of 2099852543 is about 1280.5491912126.

The spelling of 2099852543 in words is "two billion, ninety-nine million, eight hundred fifty-two thousand, five hundred forty-three".