68586629 has 2 divisors, whose sum is σ = 68586630. Its totient is φ = 68586628.

The previous prime is 68586569. The next prime is 68586643. The reversal of 68586629 is 92668586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57729604 + 10857025 = 7598^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 68586629 - 2¹⁶ = 68521093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68586829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34293314 + 34293315.

It is an arithmetic number, because the mean of its divisors is an integer number (34293315).

Almost surely, 2^68586629 is an apocalyptic number.

It is an amenable number.

68586629 is a deficient number, since it is larger than the sum of its proper divisors (1).

68586629 is an equidigital number, since it uses as much as digits as its factorization.

68586629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 68586629 is about 8281.7044743217. The cubic root of 68586629 is about 409.3358849950.

The spelling of 68586629 in words is "sixty-eight million, five hundred eighty-six thousand, six hundred twenty-nine".