68201629 has 2 divisors, whose sum is σ = 68201630. Its totient is φ = 68201628.

The previous prime is 68201593. The next prime is 68201633. The reversal of 68201629 is 92610286.

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., 68062500 + 139129 = 8250^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 68201629 - 2¹¹ = 68199581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68201594 and 68201603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68201669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34100814 + 34100815.

It is an arithmetic number, because the mean of its divisors is an integer number (34100815).

Almost surely, 2^68201629 is an apocalyptic number.

It is an amenable number.

68201629 is a deficient number, since it is larger than the sum of its proper divisors (1).

68201629 is an equidigital number, since it uses as much as digits as its factorization.

68201629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 68201629 is about 8258.4277559351. The cubic root of 68201629 is about 408.5685337010.

The spelling of 68201629 in words is "sixty-eight million, two hundred one thousand, six hundred twenty-nine".