68486449 has 2 divisors, whose sum is σ = 68486450. Its totient is φ = 68486448.

The previous prime is 68486413. The next prime is 68486461. The reversal of 68486449 is 94468486.

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., 53802225 + 14684224 = 7335^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 68486449 - 2⁷ = 68486321 is a prime.

It is not a weakly prime, because it can be changed into another prime (68486549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34243224 + 34243225.

It is an arithmetic number, because the mean of its divisors is an integer number (34243225).

Almost surely, 2^68486449 is an apocalyptic number.

It is an amenable number.

68486449 is a deficient number, since it is larger than the sum of its proper divisors (1).

68486449 is an equidigital number, since it uses as much as digits as its factorization.

68486449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 49.

The square root of 68486449 is about 8275.6539922836. The cubic root of 68486449 is about 409.1364911708.

The spelling of 68486449 in words is "sixty-eight million, four hundred eighty-six thousand, four hundred forty-nine".