6546226447 has 2 divisors, whose sum is σ = 6546226448. Its totient is φ = 6546226446.

The previous prime is 6546226441. The next prime is 6546226493. The reversal of 6546226447 is 7446226456.

It is an a-pointer prime, because the next prime (6546226493) can be obtained adding 6546226447 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6546226447 - 2⁷ = 6546226319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6546226397 and 6546226406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6546226441) 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, 3273113223 + 3273113224.

It is an arithmetic number, because the mean of its divisors is an integer number (3273113224).

Almost surely, 2^6546226447 is an apocalyptic number.

6546226447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546226447 is an equidigital number, since it uses as much as digits as its factorization.

6546226447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 46.

The square root of 6546226447 is about 80908.7538341804. The cubic root of 6546226447 is about 1870.6692531464.

Subtracting 6546226447 from its reverse (7446226456), we obtain a palindrome (900000009).

The spelling of 6546226447 in words is "six billion, five hundred forty-six million, two hundred twenty-six thousand, four hundred forty-seven".