6841251861 has 4 divisors (see below), whose sum is σ = 9121669152. Its totient is φ = 4560834572.

The previous prime is 6841251829. The next prime is 6841251881. The reversal of 6841251861 is 1681521486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6841251861 - 2⁵ = 6841251829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6841251811) 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, 1140208641 + ... + 1140208646.

It is an arithmetic number, because the mean of its divisors is an integer number (2280417288).

Almost surely, 2^6841251861 is an apocalyptic number.

It is an amenable number.

6841251861 is a deficient number, since it is larger than the sum of its proper divisors (2280417291).

6841251861 is a wasteful number, since it uses less digits than its factorization.

6841251861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280417290.

The product of its digits is 92160, while the sum is 42.

The square root of 6841251861 is about 82711.8604614840. The cubic root of 6841251861 is about 1898.3597904686.

The spelling of 6841251861 in words is "six billion, eight hundred forty-one million, two hundred fifty-one thousand, eight hundred sixty-one".