6694469 has 2 divisors, whose sum is σ = 6694470. Its totient is φ = 6694468.

The previous prime is 6694463. The next prime is 6694477. The reversal of 6694469 is 9644966.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5230369 + 1464100 = 2287^2 + 1210^2 .

It is a cyclic number.

It is not a de Polignac number, because 6694469 - 2¹² = 6690373 is a prime.

It is a super-2 number, since 2×6694469² = 89631830383922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6694463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347234 + 3347235.

It is an arithmetic number, because the mean of its divisors is an integer number (3347235).

Almost surely, 2^6694469 is an apocalyptic number.

It is an amenable number.

6694469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694469 is an equidigital number, since it uses as much as digits as its factorization.

6694469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The square root of 6694469 is about 2587.3671946595. The cubic root of 6694469 is about 188.4684728939.

The spelling of 6694469 in words is "six million, six hundred ninety-four thousand, four hundred sixty-nine".