350677409 has 2 divisors, whose sum is σ = 350677410. Its totient is φ = 350677408.

The previous prime is 350677403. The next prime is 350677421. The reversal of 350677409 is 904776053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342250000 + 8427409 = 18500^2 + 2903^2 .

It is an emirp because it is prime and its reverse (904776053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350677409 - 2⁸ = 350677153 is a prime.

It is not a weakly prime, because it can be changed into another prime (350677403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175338704 + 175338705.

It is an arithmetic number, because the mean of its divisors is an integer number (175338705).

Almost surely, 2^350677409 is an apocalyptic number.

It is an amenable number.

350677409 is a deficient number, since it is larger than the sum of its proper divisors (1).

350677409 is an equidigital number, since it uses as much as digits as its factorization.

350677409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 350677409 is about 18726.3826992828. The cubic root of 350677409 is about 705.1842376830.

The spelling of 350677409 in words is "three hundred fifty million, six hundred seventy-seven thousand, four hundred nine".