2102682389569 has 2 divisors, whose sum is σ = 2102682389570. Its totient is φ = 2102682389568.

The previous prime is 2102682389531. The next prime is 2102682389593. The reversal of 2102682389569 is 9659832862012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121269210000 + 981413179569 = 1058900^2 + 990663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102682389569 - 2⁹ = 2102682389057 is a prime.

It is a super-2 number, since 2×2102682389569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102682389869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051341194784 + 1051341194785.

It is an arithmetic number, because the mean of its divisors is an integer number (1051341194785).

Almost surely, 2^{2102682389569} is an apocalyptic number.

It is an amenable number.

2102682389569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102682389569 is an equidigital number, since it uses as much as digits as its factorization.

2102682389569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 2102682389569 in words is "two trillion, one hundred two billion, six hundred eighty-two million, three hundred eighty-nine thousand, five hundred sixty-nine".