6841809651 has 4 divisors (see below), whose sum is σ = 9122412872. Its totient is φ = 4561206432.

The previous prime is 6841809649. The next prime is 6841809661. The reversal of 6841809651 is 1569081486.

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

It is not a de Polignac number, because 6841809651 - 2¹ = 6841809649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6841809651.

It is not an unprimeable number, because it can be changed into a prime (6841809661) 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, 1140301606 + ... + 1140301611.

It is an arithmetic number, because the mean of its divisors is an integer number (2280603218).

Almost surely, 2^6841809651 is an apocalyptic number.

6841809651 is a deficient number, since it is larger than the sum of its proper divisors (2280603221).

6841809651 is a wasteful number, since it uses less digits than its factorization.

6841809651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280603220.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 6841809651 is about 82715.2322791879. The cubic root of 6841809651 is about 1898.4113822607.

The spelling of 6841809651 in words is "six billion, eight hundred forty-one million, eight hundred nine thousand, six hundred fifty-one".