200102709843989 has 2 divisors, whose sum is σ = 200102709843990. Its totient is φ = 200102709843988.

The previous prime is 200102709843931. The next prime is 200102709843991. The reversal of 200102709843989 is 989348907201002.

200102709843989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186871907412100 + 13230802431889 = 13670110^2 + 3637417^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102709843989 - 2⁸ = 200102709843733 is a prime.

Together with 200102709843991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200102709843919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051354921994 + 100051354921995.

It is an arithmetic number, because the mean of its divisors is an integer number (100051354921995).

Almost surely, 2^{200102709843989} is an apocalyptic number.

It is an amenable number.

200102709843989 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102709843989 is an equidigital number, since it uses as much as digits as its factorization.

200102709843989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 200102709843989 in words is "two hundred trillion, one hundred two billion, seven hundred nine million, eight hundred forty-three thousand, nine hundred eighty-nine".