2709871303681 has 8 divisors (see below), whose sum is σ = 2776025385504. Its totient is φ = 2643720062880.

The previous prime is 2709871303673. The next prime is 2709871303693. The reversal of 2709871303681 is 1863031789072.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2709871303681 - 2³ = 2709871303673 is a prime.

It is a super-2 number, since 2×2709871303681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2709871303981) 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, 1288530 + ... + 2660836.

It is an arithmetic number, because the mean of its divisors is an integer number (347003173188).

Almost surely, 2^{2709871303681} is an apocalyptic number.

It is an amenable number.

2709871303681 is a deficient number, since it is larger than the sum of its proper divisors (66154081823).

2709871303681 is a wasteful number, since it uses less digits than its factorization.

2709871303681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420511.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 2709871303681 in words is "two trillion, seven hundred nine billion, eight hundred seventy-one million, three hundred three thousand, six hundred eighty-one".