2081756043 has 6 divisors (see below), whose sum is σ = 3006980964. Its totient is φ = 1387837356.

The previous prime is 2081756041. The next prime is 2081756069. The reversal of 2081756043 is 3406571802.

It is not a de Polignac number, because 2081756043 - 2¹ = 2081756041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2081755989 and 2081756007.

It is not an unprimeable number, because it can be changed into a prime (2081756041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115653105 + ... + 115653122.

It is an arithmetic number, because the mean of its divisors is an integer number (501163494).

Almost surely, 2^2081756043 is an apocalyptic number.

2081756043 is a deficient number, since it is larger than the sum of its proper divisors (925224921).

2081756043 is a wasteful number, since it uses less digits than its factorization.

2081756043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231306233 (or 231306230 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2081756043 is about 45626.2648372623. The cubic root of 2081756043 is about 1276.8599879568.

The spelling of 2081756043 in words is "two billion, eighty-one million, seven hundred fifty-six thousand, forty-three".