2068422663529 has 2 divisors, whose sum is σ = 2068422663530. Its totient is φ = 2068422663528.

The previous prime is 2068422663521. The next prime is 2068422663569. The reversal of 2068422663529 is 9253662248602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1176433083225 + 891989580304 = 1084635^2 + 944452^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068422663529 - 2³ = 2068422663521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2068422663529.

It is not a weakly prime, because it can be changed into another prime (2068422663521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034211331764 + 1034211331765.

It is an arithmetic number, because the mean of its divisors is an integer number (1034211331765).

Almost surely, 2^{2068422663529} is an apocalyptic number.

It is an amenable number.

2068422663529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068422663529 is an equidigital number, since it uses as much as digits as its factorization.

2068422663529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 2068422663529 in words is "two trillion, sixty-eight billion, four hundred twenty-two million, six hundred sixty-three thousand, five hundred twenty-nine".