4322340643 has 2 divisors, whose sum is σ = 4322340644. Its totient is φ = 4322340642.

The previous prime is 4322340637. The next prime is 4322340653. The reversal of 4322340643 is 3460432234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4322340643 - 2⁹ = 4322340131 is a prime.

It is not a weakly prime, because it can be changed into another prime (4322340653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161170321 + 2161170322.

It is an arithmetic number, because the mean of its divisors is an integer number (2161170322).

Almost surely, 2^4322340643 is an apocalyptic number.

4322340643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4322340643 is an equidigital number, since it uses as much as digits as its factorization.

4322340643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 31.

The square root of 4322340643 is about 65744.5103639840. The cubic root of 4322340643 is about 1628.9446595619.

Adding to 4322340643 its reverse (3460432234), we get a palindrome (7782772877).

The spelling of 4322340643 in words is "four billion, three hundred twenty-two million, three hundred forty thousand, six hundred forty-three".