3478676840173 has 4 divisors (see below), whose sum is σ = 3482237411100. Its totient is φ = 3475116269248.

The previous prime is 3478676840099. The next prime is 3478676840179. The reversal of 3478676840173 is 3710486768743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3268911008169 + 209765832004 = 1808013^2 + 458002^2 .

It is a cyclic number.

It is not a de Polignac number, because 3478676840173 - 2³³ = 3470086905581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478676840179) 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 in 3 ways as a sum of consecutive naturals, for example, 1780283998 + ... + 1780285951.

It is an arithmetic number, because the mean of its divisors is an integer number (870559352775).

Almost surely, 2^{3478676840173} is an apocalyptic number.

It is an amenable number.

3478676840173 is a deficient number, since it is larger than the sum of its proper divisors (3560570927).

3478676840173 is an equidigital number, since it uses as much as digits as its factorization.

3478676840173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560570926.

The product of its (nonzero) digits is 113799168, while the sum is 64.

The spelling of 3478676840173 in words is "three trillion, four hundred seventy-eight billion, six hundred seventy-six million, eight hundred forty thousand, one hundred seventy-three".