2321044643 has 2 divisors, whose sum is σ = 2321044644. Its totient is φ = 2321044642.

The previous prime is 2321044637. The next prime is 2321044703. The reversal of 2321044643 is 3464401232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321044643 - 2⁸ = 2321044387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321044603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160522321 + 1160522322.

It is an arithmetic number, because the mean of its divisors is an integer number (1160522322).

Almost surely, 2^2321044643 is an apocalyptic number.

2321044643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321044643 is an equidigital number, since it uses as much as digits as its factorization.

2321044643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 2321044643 is about 48177.2212046316. The cubic root of 2321044643 is about 1324.0198552698.

Adding to 2321044643 its reverse (3464401232), we get a palindrome (5785445875).

The spelling of 2321044643 in words is "two billion, three hundred twenty-one million, forty-four thousand, six hundred forty-three".