6859469 has 2 divisors, whose sum is σ = 6859470. Its totient is φ = 6859468.

The previous prime is 6859441. The next prime is 6859471. The reversal of 6859469 is 9649586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4153444 + 2706025 = 2038^2 + 1645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6859469 is a prime.

It is a super-2 number, since 2×6859469² = 94104629923922, which contains 22 as substring.

Together with 6859471, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6859409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429734 + 3429735.

It is an arithmetic number, because the mean of its divisors is an integer number (3429735).

Almost surely, 2^6859469 is an apocalyptic number.

It is an amenable number.

6859469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6859469 is an equidigital number, since it uses as much as digits as its factorization.

6859469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 6859469 is about 2619.0588004090. The cubic root of 6859469 is about 190.0043304645.

The spelling of 6859469 in words is "six million, eight hundred fifty-nine thousand, four hundred sixty-nine".