409194341 has 2 divisors, whose sum is σ = 409194342. Its totient is φ = 409194340.

The previous prime is 409194337. The next prime is 409194377. The reversal of 409194341 is 143491904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362750116 + 46444225 = 19046^2 + 6815^2 .

It is a cyclic number.

It is not a de Polignac number, because 409194341 - 2² = 409194337 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409194041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204597170 + 204597171.

It is an arithmetic number, because the mean of its divisors is an integer number (204597171).

Almost surely, 2^409194341 is an apocalyptic number.

It is an amenable number.

409194341 is a deficient number, since it is larger than the sum of its proper divisors (1).

409194341 is an equidigital number, since it uses as much as digits as its factorization.

409194341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 409194341 is about 20228.5526175256. The cubic root of 409194341 is about 742.4089628283.

The spelling of 409194341 in words is "four hundred nine million, one hundred ninety-four thousand, three hundred forty-one".