673650443 has 2 divisors, whose sum is σ = 673650444. Its totient is φ = 673650442.

The previous prime is 673650437. The next prime is 673650451. The reversal of 673650443 is 344056376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673650443 - 2¹⁶ = 673584907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673650397 and 673650406.

It is not a weakly prime, because it can be changed into another prime (673650433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336825221 + 336825222.

It is an arithmetic number, because the mean of its divisors is an integer number (336825222).

Almost surely, 2^673650443 is an apocalyptic number.

673650443 is a deficient number, since it is larger than the sum of its proper divisors (1).

673650443 is an equidigital number, since it uses as much as digits as its factorization.

673650443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 673650443 is about 25954.7768821078. The cubic root of 673650443 is about 876.6203197719.

The spelling of 673650443 in words is "six hundred seventy-three million, six hundred fifty thousand, four hundred forty-three".