2068807572289 has 2 divisors, whose sum is σ = 2068807572290. Its totient is φ = 2068807572288.

The previous prime is 2068807572211. The next prime is 2068807572317. The reversal of 2068807572289 is 9822757088602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2068807572225 + 64 = 1438335^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068807572289 - 2²⁹ = 2068270701377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2068807572289.

It is not a weakly prime, because it can be changed into another prime (2068807272289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034403786144 + 1034403786145.

It is an arithmetic number, because the mean of its divisors is an integer number (1034403786145).

Almost surely, 2^{2068807572289} is an apocalyptic number.

It is an amenable number.

2068807572289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068807572289 is an equidigital number, since it uses as much as digits as its factorization.

2068807572289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 64.

Subtracting from 2068807572289 its sum of digits (64), we obtain a square (2068807572225 = 1438335²).

The spelling of 2068807572289 in words is "two trillion, sixty-eight billion, eight hundred seven million, five hundred seventy-two thousand, two hundred eighty-nine".