6544145233 has 2 divisors, whose sum is σ = 6544145234. Its totient is φ = 6544145232.

The previous prime is 6544145227. The next prime is 6544145239. The reversal of 6544145233 is 3325414456.

6544145233 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (6544145227) and next prime (6544145239).

It can be written as a sum of positive squares in only one way, i.e., 4050940609 + 2493204624 = 63647^2 + 49932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6544145233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6544145192 and 6544145201.

It is not a weakly prime, because it can be changed into another prime (6544145239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272072616 + 3272072617.

It is an arithmetic number, because the mean of its divisors is an integer number (3272072617).

Almost surely, 2^6544145233 is an apocalyptic number.

It is an amenable number.

6544145233 is a deficient number, since it is larger than the sum of its proper divisors (1).

6544145233 is an equidigital number, since it uses as much as digits as its factorization.

6544145233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 37.

The square root of 6544145233 is about 80895.8913233546. The cubic root of 6544145233 is about 1870.4709874874.

Adding to 6544145233 its reverse (3325414456), we get a palindrome (9869559689).

The spelling of 6544145233 in words is "six billion, five hundred forty-four million, one hundred forty-five thousand, two hundred thirty-three".