6731549485 has 4 divisors (see below), whose sum is σ = 8077859388. Its totient is φ = 5385239584.

The previous prime is 6731549477. The next prime is 6731549497. The reversal of 6731549485 is 5849451376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4270099716 + 2461449769 = 65346^2 + 49613^2 .

It is a cyclic number.

It is not a de Polignac number, because 6731549485 - 2³ = 6731549477 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 673154944 + ... + 673154953.

It is an arithmetic number, because the mean of its divisors is an integer number (2019464847).

Almost surely, 2^6731549485 is an apocalyptic number.

It is an amenable number.

6731549485 is a deficient number, since it is larger than the sum of its proper divisors (1346309903).

6731549485 is a wasteful number, since it uses less digits than its factorization.

6731549485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346309902.

The product of its digits is 3628800, while the sum is 52.

The square root of 6731549485 is about 82046.0205311629. The cubic root of 6731549485 is about 1888.1580633677.

The spelling of 6731549485 in words is "six billion, seven hundred thirty-one million, five hundred forty-nine thousand, four hundred eighty-five".