200143322009 has 2 divisors, whose sum is σ = 200143322010. Its totient is φ = 200143322008.

The previous prime is 200143321957. The next prime is 200143322011. The reversal of 200143322009 is 900223341002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173622222400 + 26521099609 = 416680^2 + 162853^2 .

It is a cyclic number.

It is not a de Polignac number, because 200143322009 - 2²⁰ = 200142273433 is a prime.

It is a Sophie Germain prime.

Together with 200143322011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (200143352009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100071661004 + 100071661005.

It is an arithmetic number, because the mean of its divisors is an integer number (100071661005).

Almost surely, 2^200143322009 is an apocalyptic number.

It is an amenable number.

200143322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

200143322009 is an equidigital number, since it uses as much as digits as its factorization.

200143322009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 200143322009 in words is "two hundred billion, one hundred forty-three million, three hundred twenty-two thousand, nine".