6943669 has 2 divisors, whose sum is σ = 6943670. Its totient is φ = 6943668.

The previous prime is 6943661. The next prime is 6943681. The reversal of 6943669 is 9663496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5121169 + 1822500 = 2263^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 6943669 - 2³ = 6943661 is a prime.

It is a super-2 number, since 2×6943669² = 96429078363122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6943661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471834 + 3471835.

It is an arithmetic number, because the mean of its divisors is an integer number (3471835).

Almost surely, 2^6943669 is an apocalyptic number.

It is an amenable number.

6943669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6943669 is an equidigital number, since it uses as much as digits as its factorization.

6943669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 6943669 is about 2635.0842491275. The cubic root of 6943669 is about 190.7786055295.

The spelling of 6943669 in words is "six million, nine hundred forty-three thousand, six hundred sixty-nine".