2680002655769 has 2 divisors, whose sum is σ = 2680002655770. Its totient is φ = 2680002655768.

The previous prime is 2680002655741. The next prime is 2680002655831. The reversal of 2680002655769 is 9675562000862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1893389760025 + 786612895744 = 1376005^2 + 886912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2680002655769 is a prime.

It is a super-2 number, since 2×2680002655769² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2680002655469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340001327884 + 1340001327885.

It is an arithmetic number, because the mean of its divisors is an integer number (1340001327885).

Almost surely, 2^{2680002655769} is an apocalyptic number.

It is an amenable number.

2680002655769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680002655769 is an equidigital number, since it uses as much as digits as its factorization.

2680002655769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 2680002655769 in words is "two trillion, six hundred eighty billion, two million, six hundred fifty-five thousand, seven hundred sixty-nine".