6601243433 has 2 divisors, whose sum is σ = 6601243434. Its totient is φ = 6601243432.

The previous prime is 6601243423. The next prime is 6601243469. The reversal of 6601243433 is 3343421066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6601237504 + 5929 = 81248^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 6601243433 - 2⁸ = 6601243177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6601243433.

It is not a weakly prime, because it can be changed into another prime (6601243423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300621716 + 3300621717.

It is an arithmetic number, because the mean of its divisors is an integer number (3300621717).

Almost surely, 2^6601243433 is an apocalyptic number.

It is an amenable number.

6601243433 is a deficient number, since it is larger than the sum of its proper divisors (1).

6601243433 is an equidigital number, since it uses as much as digits as its factorization.

6601243433 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 6601243433 is about 81248.0364870438. The cubic root of 6601243433 is about 1875.8952461310.

Adding to 6601243433 its reverse (3343421066), we get a palindrome (9944664499).

The spelling of 6601243433 in words is "six billion, six hundred one million, two hundred forty-three thousand, four hundred thirty-three".