2797681673 has 2 divisors, whose sum is σ = 2797681674. Its totient is φ = 2797681672.

The previous prime is 2797681669. The next prime is 2797681727. The reversal of 2797681673 is 3761867972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187245824 + 610435849 = 46768^2 + 24707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797681673 - 2² = 2797681669 is a prime.

It is not a weakly prime, because it can be changed into another prime (2797681573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398840836 + 1398840837.

It is an arithmetic number, because the mean of its divisors is an integer number (1398840837).

Almost surely, 2^2797681673 is an apocalyptic number.

It is an amenable number.

2797681673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797681673 is an equidigital number, since it uses as much as digits as its factorization.

2797681673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 56.

The square root of 2797681673 is about 52893.1155539168. The cubic root of 2797681673 is about 1409.0706403622.

The spelling of 2797681673 in words is "two billion, seven hundred ninety-seven million, six hundred eighty-one thousand, six hundred seventy-three".