2168571043 has 2 divisors, whose sum is σ = 2168571044. Its totient is φ = 2168571042.

The previous prime is 2168571037. The next prime is 2168571079. The reversal of 2168571043 is 3401758612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2168571043 - 2²⁹ = 1631700131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2168570993 and 2168571011.

It is not a weakly prime, because it can be changed into another prime (2168571143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084285521 + 1084285522.

It is an arithmetic number, because the mean of its divisors is an integer number (1084285522).

Almost surely, 2^2168571043 is an apocalyptic number.

2168571043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168571043 is an equidigital number, since it uses as much as digits as its factorization.

2168571043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2168571043 is about 46567.9186028321. The cubic root of 2168571043 is about 1294.3683493498.

The spelling of 2168571043 in words is "two billion, one hundred sixty-eight million, five hundred seventy-one thousand, forty-three".