6849714121 has 2 divisors, whose sum is σ = 6849714122. Its totient is φ = 6849714120.

The previous prime is 6849714071. The next prime is 6849714199. The reversal of 6849714121 is 1214179486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5440537600 + 1409176521 = 73760^2 + 37539^2 .

It is a cyclic number.

It is not a de Polignac number, because 6849714121 - 2²⁹ = 6312843209 is a prime.

It is not a weakly prime, because it can be changed into another prime (6849714721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3424857060 + 3424857061.

It is an arithmetic number, because the mean of its divisors is an integer number (3424857061).

Almost surely, 2^6849714121 is an apocalyptic number.

It is an amenable number.

6849714121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6849714121 is an equidigital number, since it uses as much as digits as its factorization.

6849714121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 6849714121 is about 82762.9997100153. Note that the first 3 decimals coincide. The cubic root of 6849714121 is about 1899.1421908923.

The spelling of 6849714121 in words is "six billion, eight hundred forty-nine million, seven hundred fourteen thousand, one hundred twenty-one".