2680857719 has 2 divisors, whose sum is σ = 2680857720. Its totient is φ = 2680857718.

The previous prime is 2680857703. The next prime is 2680857749. The reversal of 2680857719 is 9177580862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2680857719 - 2⁴ = 2680857703 is a prime.

It is a super-2 number, since 2×2680857719² = 14373996219043765922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680857749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340428859 + 1340428860.

It is an arithmetic number, because the mean of its divisors is an integer number (1340428860).

Almost surely, 2^2680857719 is an apocalyptic number.

2680857719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680857719 is an equidigital number, since it uses as much as digits as its factorization.

2680857719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 2680857719 is about 51776.9999034320. Note that the first 4 decimals coincide. The cubic root of 2680857719 is about 1389.1780795505.

The spelling of 2680857719 in words is "two billion, six hundred eighty million, eight hundred fifty-seven thousand, seven hundred nineteen".