68363129 has 2 divisors, whose sum is σ = 68363130. Its totient is φ = 68363128.

The previous prime is 68363111. The next prime is 68363173. The reversal of 68363129 is 92136386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34199104 + 34164025 = 5848^2 + 5845^2 .

It is a cyclic number.

It is not a de Polignac number, because 68363129 - 2²⁰ = 67314553 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68363092 and 68363101.

It is not a weakly prime, because it can be changed into another prime (68363329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34181564 + 34181565.

It is an arithmetic number, because the mean of its divisors is an integer number (34181565).

Almost surely, 2^68363129 is an apocalyptic number.

It is an amenable number.

68363129 is a deficient number, since it is larger than the sum of its proper divisors (1).

68363129 is an equidigital number, since it uses as much as digits as its factorization.

68363129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 68363129 is about 8268.1998645413. The cubic root of 68363129 is about 408.8907733347.

The spelling of 68363129 in words is "sixty-eight million, three hundred sixty-three thousand, one hundred twenty-nine".