6719210489 has 2 divisors, whose sum is σ = 6719210490. Its totient is φ = 6719210488.

The previous prime is 6719210417. The next prime is 6719210549. The reversal of 6719210489 is 9840129176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6335364025 + 383846464 = 79595^2 + 19592^2 .

It is a cyclic number.

It is not a de Polignac number, because 6719210489 - 2⁸ = 6719210233 is a prime.

It is not a weakly prime, because it can be changed into another prime (6719210089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359605244 + 3359605245.

It is an arithmetic number, because the mean of its divisors is an integer number (3359605245).

Almost surely, 2^6719210489 is an apocalyptic number.

It is an amenable number.

6719210489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6719210489 is an equidigital number, since it uses as much as digits as its factorization.

6719210489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 6719210489 is about 81970.7904622128. The cubic root of 6719210489 is about 1887.0036870241.

The spelling of 6719210489 in words is "six billion, seven hundred nineteen million, two hundred ten thousand, four hundred eighty-nine".