68335499 has 2 divisors, whose sum is σ = 68335500. Its totient is φ = 68335498.

The previous prime is 68335459. The next prime is 68335523. The reversal of 68335499 is 99453386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68335499 - 2¹⁶ = 68269963 is a prime.

It is not a weakly prime, because it can be changed into another prime (68335409) 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, 34167749 + 34167750.

It is an arithmetic number, because the mean of its divisors is an integer number (34167750).

Almost surely, 2^68335499 is an apocalyptic number.

68335499 is a deficient number, since it is larger than the sum of its proper divisors (1).

68335499 is an equidigital number, since it uses as much as digits as its factorization.

68335499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 68335499 is about 8266.5288362166. The cubic root of 68335499 is about 408.8356794334.

The spelling of 68335499 in words is "sixty-eight million, three hundred thirty-five thousand, four hundred ninety-nine".