6913091304811 has 4 divisors (see below), whose sum is σ = 6955502908072. Its totient is φ = 6870679701552.

The previous prime is 6913091304793. The next prime is 6913091304817. The reversal of 6913091304811 is 1184031903196.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6913091304811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6913091304817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21205801386 + ... + 21205801711.

It is an arithmetic number, because the mean of its divisors is an integer number (1738875727018).

Almost surely, 2^{6913091304811} is an apocalyptic number.

6913091304811 is a deficient number, since it is larger than the sum of its proper divisors (42411603261).

6913091304811 is a wasteful number, since it uses less digits than its factorization.

6913091304811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42411603260.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 6913091304811 in words is "six trillion, nine hundred thirteen billion, ninety-one million, three hundred four thousand, eight hundred eleven".