6731893809 has 12 divisors (see below), whose sum is σ = 9868979536. Its totient is φ = 4420944792.

The previous prime is 6731893793. The next prime is 6731893823. The reversal of 6731893809 is 9083981376.

It is not a de Polignac number, because 6731893809 - 2⁴ = 6731893793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6731893409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5581399 + ... + 5582604.

Almost surely, 2^6731893809 is an apocalyptic number.

It is an amenable number.

6731893809 is a deficient number, since it is larger than the sum of its proper divisors (3137085727).

6731893809 is a wasteful number, since it uses less digits than its factorization.

6731893809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164076 (or 11164073 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 6731893809 is about 82048.1188632622. The cubic root of 6731893809 is about 1888.1902564040.

The spelling of 6731893809 in words is "six billion, seven hundred thirty-one million, eight hundred ninety-three thousand, eight hundred nine".