6546644745 has 32 divisors (see below), whose sum is σ = 10792297344. Its totient is φ = 3387225600.

The previous prime is 6546644729. The next prime is 6546644789. The reversal of 6546644745 is 5474466456.

It is not a de Polignac number, because 6546644745 - 2⁴ = 6546644729 is a prime.

It is a super-2 number, since 2×6546644745² = 85717114834472230050, which contains 22 as substring.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 17790 + ... + 115800.

It is an arithmetic number, because the mean of its divisors is an integer number (337259292).

Almost surely, 2^6546644745 is an apocalyptic number.

It is an amenable number.

6546644745 is a deficient number, since it is larger than the sum of its proper divisors (4245652599).

6546644745 is a wasteful number, since it uses less digits than its factorization.

6546644745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98153.

The product of its digits is 9676800, while the sum is 51.

The square root of 6546644745 is about 80911.3387912967. The cubic root of 6546644745 is about 1870.7090969937.

The spelling of 6546644745 in words is "six billion, five hundred forty-six million, six hundred forty-four thousand, seven hundred forty-five".