200002100002049 has 2 divisors, whose sum is σ = 200002100002050. Its totient is φ = 200002100002048.

The previous prime is 200002100001997. The next prime is 200002100002051. The reversal of 200002100002049 is 940200001200002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171863106657649 + 28138993344400 = 13109657^2 + 5304620^2 .

It is a cyclic number.

It is not a de Polignac number, because 200002100002049 - 2⁴⁴ = 182409913957633 is a prime.

It is a Sophie Germain prime.

Together with 200002100002051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200002100002049.

It is not a weakly prime, because it can be changed into another prime (200002100902049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001050001024 + 100001050001025.

It is an arithmetic number, because the mean of its divisors is an integer number (100001050001025).

Almost surely, 2^{200002100002049} is an apocalyptic number.

It is an amenable number.

200002100002049 is a deficient number, since it is larger than the sum of its proper divisors (1).

200002100002049 is an equidigital number, since it uses as much as digits as its factorization.

200002100002049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 200002100002049 in words is "two hundred trillion, two billion, one hundred million, two thousand, forty-nine".