2081680741 has 16 divisors (see below), whose sum is σ = 2452665600. Its totient is φ = 1729653120.

The previous prime is 2081680739. The next prime is 2081680747. The reversal of 2081680741 is 1470861802.

It is a cyclic number.

It is not a de Polignac number, because 2081680741 - 2¹ = 2081680739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2081680741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081680747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21960 + ... + 68158.

It is an arithmetic number, because the mean of its divisors is an integer number (153291600).

Almost surely, 2^2081680741 is an apocalyptic number.

It is an amenable number.

2081680741 is a deficient number, since it is larger than the sum of its proper divisors (370984859).

2081680741 is a wasteful number, since it uses less digits than its factorization.

2081680741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46404.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 2081680741 is about 45625.4396252792. The cubic root of 2081680741 is about 1276.8445920973.

The spelling of 2081680741 in words is "two billion, eighty-one million, six hundred eighty thousand, seven hundred forty-one".