2043212189 has 2 divisors, whose sum is σ = 2043212190. Its totient is φ = 2043212188.

The previous prime is 2043212069. The next prime is 2043212207. The reversal of 2043212189 is 9812123402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272705625 + 770506564 = 35675^2 + 27758^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043212189 - 2²⁴ = 2026434973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043212389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021606094 + 1021606095.

It is an arithmetic number, because the mean of its divisors is an integer number (1021606095).

Almost surely, 2^2043212189 is an apocalyptic number.

It is an amenable number.

2043212189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043212189 is an equidigital number, since it uses as much as digits as its factorization.

2043212189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2043212189 is about 45201.9047054436. The cubic root of 2043212189 is about 1268.9304631264.

The spelling of 2043212189 in words is "two billion, forty-three million, two hundred twelve thousand, one hundred eighty-nine".