200409108671 has 2 divisors, whose sum is σ = 200409108672. Its totient is φ = 200409108670.

The previous prime is 200409108643. The next prime is 200409108673. The reversal of 200409108671 is 176801904002.

200409108671 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 is a cyclic number.

It is not a de Polignac number, because 200409108671 - 2⁶ = 200409108607 is a prime.

Together with 200409108673, 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 (200409108673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100204554335 + 100204554336.

It is an arithmetic number, because the mean of its divisors is an integer number (100204554336).

Almost surely, 2^200409108671 is an apocalyptic number.

200409108671 is a deficient number, since it is larger than the sum of its proper divisors (1).

200409108671 is an equidigital number, since it uses as much as digits as its factorization.

200409108671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 200409108671 in words is "two hundred billion, four hundred nine million, one hundred eight thousand, six hundred seventy-one".