200943109 has 2 divisors, whose sum is σ = 200943110. Its totient is φ = 200943108.

The previous prime is 200943103. The next prime is 200943131. The reversal of 200943109 is 901349002.

It is a happy number.

200943109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136188900 + 64754209 = 11670^2 + 8047^2 .

It is a cyclic number.

It is not a de Polignac number, because 200943109 - 2¹¹ = 200941061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200943103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100471554 + 100471555.

It is an arithmetic number, because the mean of its divisors is an integer number (100471555).

Almost surely, 2^200943109 is an apocalyptic number.

It is an amenable number.

200943109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200943109 is an equidigital number, since it uses as much as digits as its factorization.

200943109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 200943109 is about 14175.4403458940. The cubic root of 200943109 is about 585.7213290193.

The spelling of 200943109 in words is "two hundred million, nine hundred forty-three thousand, one hundred nine".