6851303489 has 2 divisors, whose sum is σ = 6851303490. Its totient is φ = 6851303488.

The previous prime is 6851303471. The next prime is 6851303491. The reversal of 6851303489 is 9843031586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5675362225 + 1175941264 = 75335^2 + 34292^2 .

It is a cyclic number.

It is not a de Polignac number, because 6851303489 - 2¹² = 6851299393 is a prime.

Together with 6851303491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6851303419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425651744 + 3425651745.

It is an arithmetic number, because the mean of its divisors is an integer number (3425651745).

Almost surely, 2^6851303489 is an apocalyptic number.

It is an amenable number.

6851303489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6851303489 is an equidigital number, since it uses as much as digits as its factorization.

6851303489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 6851303489 is about 82772.6010766848. The cubic root of 6851303489 is about 1899.2890681849.

The spelling of 6851303489 in words is "six billion, eight hundred fifty-one million, three hundred three thousand, four hundred eighty-nine".