2705671081 has 4 divisors (see below), whose sum is σ = 2713468752. Its totient is φ = 2697873412.

The previous prime is 2705671061. The next prime is 2705671097. The reversal of 2705671081 is 1801765072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2705671081 - 2²⁵ = 2672116649 is a prime.

It is a super-2 number, since 2×2705671081² = 14641311997119417122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2705671081.

It is not an unprimeable number, because it can be changed into a prime (2705671021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3898315 + ... + 3899008.

It is an arithmetic number, because the mean of its divisors is an integer number (678367188).

Almost surely, 2^2705671081 is an apocalyptic number.

It is an amenable number.

2705671081 is a deficient number, since it is larger than the sum of its proper divisors (7797671).

2705671081 is an equidigital number, since it uses as much as digits as its factorization.

2705671081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797670.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 2705671081 is about 52016.0656047725. The cubic root of 2705671081 is about 1393.4508877960.

The spelling of 2705671081 in words is "two billion, seven hundred five million, six hundred seventy-one thousand, eighty-one".