6671851129 has 2 divisors, whose sum is σ = 6671851130. Its totient is φ = 6671851128.

The previous prime is 6671851117. The next prime is 6671851163. The reversal of 6671851129 is 9211581766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4270361104 + 2401490025 = 65348^2 + 49005^2 .

It is a cyclic number.

It is not a de Polignac number, because 6671851129 - 2⁵ = 6671851097 is a prime.

It is not a weakly prime, because it can be changed into another prime (6671851169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335925564 + 3335925565.

It is an arithmetic number, because the mean of its divisors is an integer number (3335925565).

Almost surely, 2^6671851129 is an apocalyptic number.

It is an amenable number.

6671851129 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671851129 is an equidigital number, since it uses as much as digits as its factorization.

6671851129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 46.

The square root of 6671851129 is about 81681.4001410358. The cubic root of 6671851129 is about 1882.5598079324.

The spelling of 6671851129 in words is "six billion, six hundred seventy-one million, eight hundred fifty-one thousand, one hundred twenty-nine".