6671047289 has 2 divisors, whose sum is σ = 6671047290. Its totient is φ = 6671047288.

The previous prime is 6671047267. The next prime is 6671047379. The reversal of 6671047289 is 9827401766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3363072064 + 3307975225 = 57992^2 + 57515^2 .

It is a cyclic number.

It is not a de Polignac number, because 6671047289 - 2²⁸ = 6402611833 is a prime.

It is not a weakly prime, because it can be changed into another prime (6671047189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335523644 + 3335523645.

It is an arithmetic number, because the mean of its divisors is an integer number (3335523645).

Almost surely, 2^6671047289 is an apocalyptic number.

It is an amenable number.

6671047289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671047289 is an equidigital number, since it uses as much as digits as its factorization.

6671047289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 6671047289 is about 81676.4794111499. The cubic root of 6671047289 is about 1882.4841998478.

The spelling of 6671047289 in words is "six billion, six hundred seventy-one million, forty-seven thousand, two hundred eighty-nine".