6709517189 has 2 divisors, whose sum is σ = 6709517190. Its totient is φ = 6709517188.

The previous prime is 6709517179. The next prime is 6709517207. The reversal of 6709517189 is 9817159076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3941705089 + 2767812100 = 62783^2 + 52610^2 .

It is a cyclic number.

It is not a de Polignac number, because 6709517189 - 2⁴ = 6709517173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6709517189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6709517179) 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, 3354758594 + 3354758595.

It is an arithmetic number, because the mean of its divisors is an integer number (3354758595).

Almost surely, 2^6709517189 is an apocalyptic number.

It is an amenable number.

6709517189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6709517189 is an equidigital number, since it uses as much as digits as its factorization.

6709517189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 53.

The square root of 6709517189 is about 81911.6425729578. The cubic root of 6709517189 is about 1886.0958375205.

The spelling of 6709517189 in words is "six billion, seven hundred nine million, five hundred seventeen thousand, one hundred eighty-nine".