333331666673 has 4 divisors (see below), whose sum is σ = 333337343988. Its totient is φ = 333325989360.

The previous prime is 333331666669. The next prime is 333331666693. The reversal of 333331666673 is 376666133333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376666133333 = 7 ⋅53809447619.

It can be written as a sum of positive squares in 2 ways, for example, as 243806837824 + 89524828849 = 493768^2 + 299207^2 .

It is a cyclic number.

It is not a de Polignac number, because 333331666673 - 2² = 333331666669 is a prime.

It is a super-2 number, since 2×333331666673² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (333331666643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2749658 + ... + 2868323.

It is an arithmetic number, because the mean of its divisors is an integer number (83334335997).

Almost surely, 2^333331666673 is an apocalyptic number.

It is an amenable number.

333331666673 is a deficient number, since it is larger than the sum of its proper divisors (5677315).

333331666673 is an equidigital number, since it uses as much as digits as its factorization.

333331666673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677314.

The product of its digits is 6613488, while the sum is 50.

The spelling of 333331666673 in words is "three hundred thirty-three billion, three hundred thirty-one million, six hundred sixty-six thousand, six hundred seventy-three".