6746549609 has 4 divisors (see below), whose sum is σ = 6749608704. Its totient is φ = 6743490516.

The previous prime is 6746549597. The next prime is 6746549611. The reversal of 6746549609 is 9069456476.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6746549609 - 2⁸ = 6746549353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6746549639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526237 + ... + 1530650.

It is an arithmetic number, because the mean of its divisors is an integer number (1687402176).

Almost surely, 2^6746549609 is an apocalyptic number.

It is an amenable number.

6746549609 is a deficient number, since it is larger than the sum of its proper divisors (3059095).

6746549609 is a wasteful number, since it uses less digits than its factorization.

6746549609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059094.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The square root of 6746549609 is about 82137.3825307332. The cubic root of 6746549609 is about 1889.5595036436.

The spelling of 6746549609 in words is "six billion, seven hundred forty-six million, five hundred forty-nine thousand, six hundred nine".