6694693 has 2 divisors, whose sum is σ = 6694694. Its totient is φ = 6694692.

The previous prime is 6694687. The next prime is 6694703. The reversal of 6694693 is 3964966.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6235009 + 459684 = 2497^2 + 678^2 .

It is a cyclic number.

It is not a de Polignac number, because 6694693 - 2¹⁷ = 6563621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6694643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347346 + 3347347.

It is an arithmetic number, because the mean of its divisors is an integer number (3347347).

Almost surely, 2^6694693 is an apocalyptic number.

It is an amenable number.

6694693 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694693 is an equidigital number, since it uses as much as digits as its factorization.

6694693 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 6694693 is about 2587.4104815433. The cubic root of 6694693 is about 188.4705749509.

The spelling of 6694693 in words is "six million, six hundred ninety-four thousand, six hundred ninety-three".