2143292189 has 2 divisors, whose sum is σ = 2143292190. Its totient is φ = 2143292188.

The previous prime is 2143292171. The next prime is 2143292197. The reversal of 2143292189 is 9812923412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140635289 + 2656900 = 46267^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143292189 - 2¹² = 2143288093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143292149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071646094 + 1071646095.

It is an arithmetic number, because the mean of its divisors is an integer number (1071646095).

Almost surely, 2^2143292189 is an apocalyptic number.

It is an amenable number.

2143292189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143292189 is an equidigital number, since it uses as much as digits as its factorization.

2143292189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 2143292189 is about 46295.7037855566. The cubic root of 2143292189 is about 1289.3192307707.

The spelling of 2143292189 in words is "two billion, one hundred forty-three million, two hundred ninety-two thousand, one hundred eighty-nine".