4031326643 has 2 divisors, whose sum is σ = 4031326644. Its totient is φ = 4031326642.

The previous prime is 4031326619. The next prime is 4031326667. The reversal of 4031326643 is 3466231304.

It is a balanced prime because it is at equal distance from previous prime (4031326619) and next prime (4031326667).

It is a cyclic number.

It is not a de Polignac number, because 4031326643 - 2¹⁴ = 4031310259 is a prime.

It is not a weakly prime, because it can be changed into another prime (4031326613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015663321 + 2015663322.

It is an arithmetic number, because the mean of its divisors is an integer number (2015663322).

Almost surely, 2^4031326643 is an apocalyptic number.

4031326643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031326643 is an equidigital number, since it uses as much as digits as its factorization.

4031326643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 4031326643 is about 63492.7290561683. The cubic root of 4031326643 is about 1591.5342761748.

Adding to 4031326643 its reverse (3466231304), we get a palindrome (7497557947).

The spelling of 4031326643 in words is "four billion, thirty-one million, three hundred twenty-six thousand, six hundred forty-three".