2047043189 has 2 divisors, whose sum is σ = 2047043190. Its totient is φ = 2047043188.

The previous prime is 2047043129. The next prime is 2047043191. The reversal of 2047043189 is 9813407402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1655676100 + 391367089 = 40690^2 + 19783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2047043189 is a prime.

It is a Sophie Germain prime.

Together with 2047043191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047043129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023521594 + 1023521595.

It is an arithmetic number, because the mean of its divisors is an integer number (1023521595).

Almost surely, 2^2047043189 is an apocalyptic number.

It is an amenable number.

2047043189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047043189 is an equidigital number, since it uses as much as digits as its factorization.

2047043189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2047043189 is about 45244.2613930209. The cubic root of 2047043189 is about 1269.7230447803.

The spelling of 2047043189 in words is "two billion, forty-seven million, forty-three thousand, one hundred eighty-nine".