6813641711 has 4 divisors (see below), whose sum is σ = 6859371000. Its totient is φ = 6767912424.

The previous prime is 6813641677. The next prime is 6813641719. The reversal of 6813641711 is 1171463186.

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

It is a cyclic number.

It is not a de Polignac number, because 6813641711 - 2¹⁴ = 6813625327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813641719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22864421 + ... + 22864718.

It is an arithmetic number, because the mean of its divisors is an integer number (1714842750).

Almost surely, 2^6813641711 is an apocalyptic number.

6813641711 is a deficient number, since it is larger than the sum of its proper divisors (45729289).

6813641711 is a wasteful number, since it uses less digits than its factorization.

6813641711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45729288.

The product of its digits is 24192, while the sum is 38.

The square root of 6813641711 is about 82544.7860921573. The cubic root of 6813641711 is about 1895.8025261190.

The spelling of 6813641711 in words is "six billion, eight hundred thirteen million, six hundred forty-one thousand, seven hundred eleven".