6549341089 has 2 divisors, whose sum is σ = 6549341090. Its totient is φ = 6549341088.

The previous prime is 6549341087. The next prime is 6549341129. The reversal of 6549341089 is 9801439456.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5537592225 + 1011748864 = 74415^2 + 31808^2 .

It is a cyclic number.

It is not a de Polignac number, because 6549341089 - 2¹ = 6549341087 is a prime.

Together with 6549341087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6549341083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274670544 + 3274670545.

It is an arithmetic number, because the mean of its divisors is an integer number (3274670545).

Almost surely, 2^6549341089 is an apocalyptic number.

It is an amenable number.

6549341089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6549341089 is an equidigital number, since it uses as much as digits as its factorization.

6549341089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 6549341089 is about 80927.9994130585. Note that the first 3 decimals coincide. The cubic root of 6549341089 is about 1870.9658892442.

The spelling of 6549341089 in words is "six billion, five hundred forty-nine million, three hundred forty-one thousand, eighty-nine".