673447313251 has 2 divisors, whose sum is σ = 673447313252. Its totient is φ = 673447313250.

The previous prime is 673447313213. The next prime is 673447313347. The reversal of 673447313251 is 152313744376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673447313251 - 2⁹ = 673447312739 is a prime.

It is not a weakly prime, because it can be changed into another prime (673447313051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336723656625 + 336723656626.

It is an arithmetic number, because the mean of its divisors is an integer number (336723656626).

Almost surely, 2^673447313251 is an apocalyptic number.

673447313251 is a deficient number, since it is larger than the sum of its proper divisors (1).

673447313251 is an equidigital number, since it uses as much as digits as its factorization.

673447313251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 46.

The spelling of 673447313251 in words is "six hundred seventy-three billion, four hundred forty-seven million, three hundred thirteen thousand, two hundred fifty-one".