341636509 has 2 divisors, whose sum is σ = 341636510. Its totient is φ = 341636508.

The previous prime is 341636453. The next prime is 341636531. The reversal of 341636509 is 905636143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199430884 + 142205625 = 14122^2 + 11925^2 .

It is a cyclic number.

It is not a de Polignac number, because 341636509 - 2⁷ = 341636381 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341636579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170818254 + 170818255.

It is an arithmetic number, because the mean of its divisors is an integer number (170818255).

Almost surely, 2^341636509 is an apocalyptic number.

It is an amenable number.

341636509 is a deficient number, since it is larger than the sum of its proper divisors (1).

341636509 is an equidigital number, since it uses as much as digits as its factorization.

341636509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 341636509 is about 18483.4117251118. The cubic root of 341636509 is about 699.0712233240.

The spelling of 341636509 in words is "three hundred forty-one million, six hundred thirty-six thousand, five hundred nine".