673813448171 has 4 divisors (see below), whose sum is σ = 703109685072. Its totient is φ = 644517211272.

The previous prime is 673813448159. The next prime is 673813448177. The reversal of 673813448171 is 171844318376.

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

It is a cyclic number.

It is not a de Polignac number, because 673813448171 - 2²⁶ = 673746339307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673813448177) 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, 14648118416 + ... + 14648118461.

It is an arithmetic number, because the mean of its divisors is an integer number (175777421268).

Almost surely, 2^673813448171 is an apocalyptic number.

673813448171 is a deficient number, since it is larger than the sum of its proper divisors (29296236901).

673813448171 is a wasteful number, since it uses less digits than its factorization.

673813448171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29296236900.

The product of its digits is 2709504, while the sum is 53.

The spelling of 673813448171 in words is "six hundred seventy-three billion, eight hundred thirteen million, four hundred forty-eight thousand, one hundred seventy-one".