673806623207 has 2 divisors, whose sum is σ = 673806623208. Its totient is φ = 673806623206.

The previous prime is 673806623183. The next prime is 673806623209. The reversal of 673806623207 is 702326608376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673806623207 - 2¹⁰ = 673806622183 is a prime.

Together with 673806623209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673806623209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336903311603 + 336903311604.

It is an arithmetic number, because the mean of its divisors is an integer number (336903311604).

Almost surely, 2^673806623207 is an apocalyptic number.

673806623207 is a deficient number, since it is larger than the sum of its proper divisors (1).

673806623207 is an equidigital number, since it uses as much as digits as its factorization.

673806623207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 673806623207 in words is "six hundred seventy-three billion, eight hundred six million, six hundred twenty-three thousand, two hundred seven".