2705173081 has 4 divisors (see below), whose sum is σ = 2913263332. Its totient is φ = 2497082832.

The previous prime is 2705173049. The next prime is 2705173087. The reversal of 2705173081 is 1803715072.

2705173081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 489117456 + 2216055625 = 22116^2 + 47075^2 .

It is a cyclic number.

It is not a de Polignac number, because 2705173081 - 2⁵ = 2705173049 is a prime.

It is a super-2 number, since 2×2705173081² = 14635922796334065122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2705173087) 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, 104045106 + ... + 104045131.

It is an arithmetic number, because the mean of its divisors is an integer number (728315833).

Almost surely, 2^2705173081 is an apocalyptic number.

It is an amenable number.

2705173081 is a deficient number, since it is larger than the sum of its proper divisors (208090251).

2705173081 is a wasteful number, since it uses less digits than its factorization.

2705173081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208090250.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 2705173081 is about 52011.2784019005. The cubic root of 2705173081 is about 1393.3653906925.

The spelling of 2705173081 in words is "two billion, seven hundred five million, one hundred seventy-three thousand, eighty-one".