68141629 has 2 divisors, whose sum is σ = 68141630. Its totient is φ = 68141628.

The previous prime is 68141603. The next prime is 68141639. The reversal of 68141629 is 92614186.

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., 67980025 + 161604 = 8245^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 68141629 - 2⁵ = 68141597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68141639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34070814 + 34070815.

It is an arithmetic number, because the mean of its divisors is an integer number (34070815).

Almost surely, 2^68141629 is an apocalyptic number.

It is an amenable number.

68141629 is a deficient number, since it is larger than the sum of its proper divisors (1).

68141629 is an equidigital number, since it uses as much as digits as its factorization.

68141629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 68141629 is about 8254.7943039182. The cubic root of 68141629 is about 408.4486865917.

The spelling of 68141629 in words is "sixty-eight million, one hundred forty-one thousand, six hundred twenty-nine".