2068422401509 has 2 divisors, whose sum is σ = 2068422401510. Its totient is φ = 2068422401508.

The previous prime is 2068422401497. The next prime is 2068422401531. The reversal of 2068422401509 is 9051042248602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120178808225 + 948243593284 = 1058385^2 + 973778^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068422401509 - 2³⁹ = 1518666587621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2068422407509) 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, 1034211200754 + 1034211200755.

It is an arithmetic number, because the mean of its divisors is an integer number (1034211200755).

Almost surely, 2^{2068422401509} is an apocalyptic number.

It is an amenable number.

2068422401509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068422401509 is an equidigital number, since it uses as much as digits as its factorization.

2068422401509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 2068422401509 in words is "two trillion, sixty-eight billion, four hundred twenty-two million, four hundred one thousand, five hundred nine".