2175022643 has 2 divisors, whose sum is σ = 2175022644. Its totient is φ = 2175022642.

The previous prime is 2175022637. The next prime is 2175022657. The reversal of 2175022643 is 3462205712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2175022643 - 2⁴ = 2175022627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2175022043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087511321 + 1087511322.

It is an arithmetic number, because the mean of its divisors is an integer number (1087511322).

Almost surely, 2^2175022643 is an apocalyptic number.

2175022643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175022643 is an equidigital number, since it uses as much as digits as its factorization.

2175022643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2175022643 is about 46637.1380232535. The cubic root of 2175022643 is about 1295.6506805947.

The spelling of 2175022643 in words is "two billion, one hundred seventy-five million, twenty-two thousand, six hundred forty-three".