2069356704689 has 2 divisors, whose sum is σ = 2069356704690. Its totient is φ = 2069356704688.

The previous prime is 2069356704683. The next prime is 2069356704733. The reversal of 2069356704689 is 9864076539602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067173946289 + 2182758400 = 1437767^2 + 46720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2069356704689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2069356704683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034678352344 + 1034678352345.

It is an arithmetic number, because the mean of its divisors is an integer number (1034678352345).

Almost surely, 2^{2069356704689} is an apocalyptic number.

It is an amenable number.

2069356704689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069356704689 is an equidigital number, since it uses as much as digits as its factorization.

2069356704689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 65.

The spelling of 2069356704689 in words is "two trillion, sixty-nine billion, three hundred fifty-six million, seven hundred four thousand, six hundred eighty-nine".