373713820173 has 8 divisors (see below), whose sum is σ = 553650104000. Its totient is φ = 249142546764.

The previous prime is 373713820157. The next prime is 373713820187. The reversal of 373713820173 is 371028317373.

373713820173 is a `hidden beast` number, since 3 + 7 + 371 + 3 + 8 + 201 + 73 = 666.

It is not a de Polignac number, because 373713820173 - 2⁴ = 373713820157 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 (373713820373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6920626273 + ... + 6920626326.

It is an arithmetic number, because the mean of its divisors is an integer number (69206263000).

Almost surely, 2^373713820173 is an apocalyptic number.

It is an amenable number.

373713820173 is a deficient number, since it is larger than the sum of its proper divisors (179936283827).

373713820173 is a wasteful number, since it uses less digits than its factorization.

373713820173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13841252608 (or 13841252602 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 373713820173 in words is "three hundred seventy-three billion, seven hundred thirteen million, eight hundred twenty thousand, one hundred seventy-three".