6813403091 has 24 divisors (see below), whose sum is σ = 7814155440. Its totient is φ = 5891054400.

The previous prime is 6813403087. The next prime is 6813403127. The reversal of 6813403091 is 1903043186.

It is not a de Polignac number, because 6813403091 - 2² = 6813403087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6813403031) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1050005 + ... + 1056473.

It is an arithmetic number, because the mean of its divisors is an integer number (325589810).

Almost surely, 2^6813403091 is an apocalyptic number.

6813403091 is a deficient number, since it is larger than the sum of its proper divisors (1000752349).

6813403091 is a wasteful number, since it uses less digits than its factorization.

6813403091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707 (or 6684 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 6813403091 is about 82543.3406823349. The cubic root of 6813403091 is about 1895.7803949445.

It can be divided in two parts, 6813 and 403091, that added together give a palindrome (409904).

The spelling of 6813403091 in words is "six billion, eight hundred thirteen million, four hundred three thousand, ninety-one".