321404811673 has 24 divisors (see below), whose sum is σ = 358015996800. Its totient is φ = 288291437280.

The previous prime is 321404811671. The next prime is 321404811701. The reversal of 321404811673 is 376118404123.

It is not a de Polignac number, because 321404811673 - 2¹ = 321404811671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321404811671) 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 23 ways as a sum of consecutive naturals, for example, 3101190 + ... + 3203152.

It is an arithmetic number, because the mean of its divisors is an integer number (14917333200).

Almost surely, 2^321404811673 is an apocalyptic number.

It is an amenable number.

321404811673 is a deficient number, since it is larger than the sum of its proper divisors (36611185127).

321404811673 is a wasteful number, since it uses less digits than its factorization.

321404811673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102333 (or 102322 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 321404811673 in words is "three hundred twenty-one billion, four hundred four million, eight hundred eleven thousand, six hundred seventy-three".