673928480435563 has 2 divisors, whose sum is σ = 673928480435564. Its totient is φ = 673928480435562.

The previous prime is 673928480435549. The next prime is 673928480435611. The reversal of 673928480435563 is 365534084829376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673928480435563 - 2¹⁷ = 673928480304491 is a prime.

It is not a weakly prime, because it can be changed into another prime (673928480435263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336964240217781 + 336964240217782.

It is an arithmetic number, because the mean of its divisors is an integer number (336964240217782).

Almost surely, 2^{673928480435563} is an apocalyptic number.

673928480435563 is a deficient number, since it is larger than the sum of its proper divisors (1).

673928480435563 is an equidigital number, since it uses as much as digits as its factorization.

673928480435563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3135283200, while the sum is 73.

The spelling of 673928480435563 in words is "six hundred seventy-three trillion, nine hundred twenty-eight billion, four hundred eighty million, four hundred thirty-five thousand, five hundred sixty-three".