2080726981 has 8 divisors (see below), whose sum is σ = 2128674240. Its totient is φ = 2033202528.

The previous prime is 2080726939. The next prime is 2080726987. The reversal of 2080726981 is 1896270802.

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 2080726981 - 2⁷ = 2080726853 is a prime.

It is a super-2 number, since 2×2080726981² = 8658849538922748722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080726987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95736 + ... + 115441.

It is an arithmetic number, because the mean of its divisors is an integer number (266084280).

Almost surely, 2^2080726981 is an apocalyptic number.

It is an amenable number.

2080726981 is a deficient number, since it is larger than the sum of its proper divisors (47947259).

2080726981 is a wasteful number, since it uses less digits than its factorization.

2080726981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211403.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 2080726981 is about 45614.9863641326. The cubic root of 2080726981 is about 1276.6495590954.

The spelling of 2080726981 in words is "two billion, eighty million, seven hundred twenty-six thousand, nine hundred eighty-one".