1000200009943 has 2 divisors, whose sum is σ = 1000200009944. Its totient is φ = 1000200009942.

The previous prime is 1000200009931. The next prime is 1000200010021. The reversal of 1000200009943 is 3499000020001.

It is a happy number.

1000200009943 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 is a cyclic number.

It is not a de Polignac number, because 1000200009943 - 2¹⁷ = 1000199878871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000200079943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100004971 + 500100004972.

It is an arithmetic number, because the mean of its divisors is an integer number (500100004972).

Almost surely, 2^{1000200009943} is an apocalyptic number.

1000200009943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200009943 is an equidigital number, since it uses as much as digits as its factorization.

1000200009943 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.

Adding to 1000200009943 its reverse (3499000020001), we get a palindrome (4499200029944).

The spelling of 1000200009943 in words is "one trillion, two hundred million, nine thousand, nine hundred forty-three".