1673446684685 has 8 divisors (see below), whose sum is σ = 2008805195256. Its totient is φ = 1338311232000.

The previous prime is 1673446684619. The next prime is 1673446684691. The reversal of 1673446684685 is 5864866443761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4438490884 + 1669008193801 = 66622^2 + 1291901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1673446684685 - 2¹² = 1673446680589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55747964 + ... + 55777973.

It is an arithmetic number, because the mean of its divisors is an integer number (251100649407).

Almost surely, 2^{1673446684685} is an apocalyptic number.

It is an amenable number.

1673446684685 is a deficient number, since it is larger than the sum of its proper divisors (335358510571).

1673446684685 is a wasteful number, since it uses less digits than its factorization.

1673446684685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111528943.

The product of its digits is 557383680, while the sum is 68.

The spelling of 1673446684685 in words is "one trillion, six hundred seventy-three billion, four hundred forty-six million, six hundred eighty-four thousand, six hundred eighty-five".