210041341409 has 2 divisors, whose sum is σ = 210041341410. Its totient is φ = 210041341408.

The previous prime is 210041341387. The next prime is 210041341439. The reversal of 210041341409 is 904143140012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189831875809 + 20209465600 = 435697^2 + 142160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210041341409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (210041341439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105020670704 + 105020670705.

It is an arithmetic number, because the mean of its divisors is an integer number (105020670705).

Almost surely, 2^210041341409 is an apocalyptic number.

It is an amenable number.

210041341409 is a deficient number, since it is larger than the sum of its proper divisors (1).

210041341409 is an equidigital number, since it uses as much as digits as its factorization.

210041341409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 210041341409 in words is "two hundred ten billion, forty-one million, three hundred forty-one thousand, four hundred nine".