68324219 has 2 divisors, whose sum is σ = 68324220. Its totient is φ = 68324218.

The previous prime is 68324213. The next prime is 68324233. The reversal of 68324219 is 91242386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68324219 - 2²⁴ = 51547003 is a prime.

It is a super-2 number, since 2×68324219² = 9336397803919922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68324213) 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, 34162109 + 34162110.

It is an arithmetic number, because the mean of its divisors is an integer number (34162110).

Almost surely, 2^68324219 is an apocalyptic number.

68324219 is a deficient number, since it is larger than the sum of its proper divisors (1).

68324219 is an equidigital number, since it uses as much as digits as its factorization.

68324219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 68324219 is about 8265.8465386190. The cubic root of 68324219 is about 408.8131829745.

The spelling of 68324219 in words is "sixty-eight million, three hundred twenty-four thousand, two hundred nineteen".