2113560173 has 12 divisors (see below), whose sum is σ = 2249321460. Its totient is φ = 1985582592.

The previous prime is 2113560151. The next prime is 2113560179. The reversal of 2113560173 is 3710653112.

It can be written as a sum of positive squares in 6 ways, for example, as 1054729 + 2112505444 = 1027^2 + 45962^2 .

It is not a de Polignac number, because 2113560173 - 2⁶ = 2113560109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113560179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158015 + ... + 170867.

It is an arithmetic number, because the mean of its divisors is an integer number (187443455).

Almost surely, 2^2113560173 is an apocalyptic number.

It is an amenable number.

2113560173 is a deficient number, since it is larger than the sum of its proper divisors (135761287).

2113560173 is a wasteful number, since it uses less digits than its factorization.

2113560173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13456 (or 13439 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 2113560173 is about 45973.4724922971. The cubic root of 2113560173 is about 1283.3295828005.

The spelling of 2113560173 in words is "two billion, one hundred thirteen million, five hundred sixty thousand, one hundred seventy-three".