68984219 has 2 divisors, whose sum is σ = 68984220. Its totient is φ = 68984218.

The previous prime is 68984177. The next prime is 68984233. The reversal of 68984219 is 91248986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68984219 - 2⁸ = 68983963 is a prime.

It is a super-2 number, since 2×68984219² = 9517644942079922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68984299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34492109 + 34492110.

It is an arithmetic number, because the mean of its divisors is an integer number (34492110).

Almost surely, 2^68984219 is an apocalyptic number.

68984219 is a deficient number, since it is larger than the sum of its proper divisors (1).

68984219 is an equidigital number, since it uses as much as digits as its factorization.

68984219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 68984219 is about 8305.6739040249. The cubic root of 68984219 is about 410.1253215948.

The spelling of 68984219 in words is "sixty-eight million, nine hundred eighty-four thousand, two hundred nineteen".