2680820473 has 2 divisors, whose sum is σ = 2680820474. Its totient is φ = 2680820472.

The previous prime is 2680820437. The next prime is 2680820563. The reversal of 2680820473 is 3740280862.

Together with previous prime (2680820437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1846592784 + 834227689 = 42972^2 + 28883^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680820473 - 2⁹ = 2680819961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2680820873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340410236 + 1340410237.

It is an arithmetic number, because the mean of its divisors is an integer number (1340410237).

Almost surely, 2^2680820473 is an apocalyptic number.

It is an amenable number.

2680820473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680820473 is an equidigital number, since it uses as much as digits as its factorization.

2680820473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2680820473 is about 51776.6402251054. The cubic root of 2680820473 is about 1389.1716460912.

The spelling of 2680820473 in words is "two billion, six hundred eighty million, eight hundred twenty thousand, four hundred seventy-three".