350643443 has 2 divisors, whose sum is σ = 350643444. Its totient is φ = 350643442.

The previous prime is 350643421. The next prime is 350643463. The reversal of 350643443 is 344346053.

It is a strong prime.

It is an emirp because it is prime and its reverse (344346053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350643443 - 2²⁰ = 349594867 is a prime.

It is not a weakly prime, because it can be changed into another prime (350643463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175321721 + 175321722.

It is an arithmetic number, because the mean of its divisors is an integer number (175321722).

Almost surely, 2^350643443 is an apocalyptic number.

350643443 is a deficient number, since it is larger than the sum of its proper divisors (1).

350643443 is an equidigital number, since it uses as much as digits as its factorization.

350643443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 350643443 is about 18725.4757749970. The cubic root of 350643443 is about 705.1614693109.

Adding to 350643443 its reverse (344346053), we get a palindrome (694989496).

The spelling of 350643443 in words is "three hundred fifty million, six hundred forty-three thousand, four hundred forty-three".