673684210322 has 6 divisors (see below), whose sum is σ = 1010528056629. Its totient is φ = 336841524780.

The previous prime is 673684210321. The next prime is 673684210327. The reversal of 673684210322 is 223012486376.

It can be written as a sum of positive squares in 2 ways, for example, as 656373808561 + 17310401761 = 810169^2 + 131569^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=580381.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673684210321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 870572 + ... + 1450952.

Almost surely, 2^673684210322 is an apocalyptic number.

673684210322 is a deficient number, since it is larger than the sum of its proper divisors (336843846307).

673684210322 is an frugal number, since it uses more digits than its factorization.

673684210322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160764 (or 580383 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

Adding to 673684210322 its reverse (223012486376), we get a palindrome (896696696698).

The spelling of 673684210322 in words is "six hundred seventy-three billion, six hundred eighty-four million, two hundred ten thousand, three hundred twenty-two".