6851437841 has 2 divisors, whose sum is σ = 6851437842. Its totient is φ = 6851437840.

The previous prime is 6851437811. The next prime is 6851437847. The reversal of 6851437841 is 1487341586.

6851437841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4108297216 + 2743140625 = 64096^2 + 52375^2 .

It is a cyclic number.

It is not a de Polignac number, because 6851437841 - 2¹⁴ = 6851421457 is a prime.

It is not a weakly prime, because it can be changed into another prime (6851437847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425718920 + 3425718921.

It is an arithmetic number, because the mean of its divisors is an integer number (3425718921).

Almost surely, 2^6851437841 is an apocalyptic number.

It is an amenable number.

6851437841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6851437841 is an equidigital number, since it uses as much as digits as its factorization.

6851437841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 6851437841 is about 82773.4126456074. The cubic root of 6851437841 is about 1899.3014829328.

The spelling of 6851437841 in words is "six billion, eight hundred fifty-one million, four hundred thirty-seven thousand, eight hundred forty-one".