341649389 has 2 divisors, whose sum is σ = 341649390. Its totient is φ = 341649388.

The previous prime is 341649359. The next prime is 341649409. The reversal of 341649389 is 983946143.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235868164 + 105781225 = 15358^2 + 10285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341649389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341649359) 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, 170824694 + 170824695.

It is an arithmetic number, because the mean of its divisors is an integer number (170824695).

Almost surely, 2^341649389 is an apocalyptic number.

It is an amenable number.

341649389 is a deficient number, since it is larger than the sum of its proper divisors (1).

341649389 is an equidigital number, since it uses as much as digits as its factorization.

341649389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 341649389 is about 18483.7601423520. The cubic root of 341649389 is about 699.0800084158.

The spelling of 341649389 in words is "three hundred forty-one million, six hundred forty-nine thousand, three hundred eighty-nine".