68215000199 has 2 divisors, whose sum is σ = 68215000200. Its totient is φ = 68215000198.

The previous prime is 68215000193. The next prime is 68215000219. The reversal of 68215000199 is 99100051286.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68215000199 - 2⁸ = 68214999943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68215000193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34107500099 + 34107500100.

It is an arithmetic number, because the mean of its divisors is an integer number (34107500100).

Almost surely, 2^68215000199 is an apocalyptic number.

68215000199 is a deficient number, since it is larger than the sum of its proper divisors (1).

68215000199 is an equidigital number, since it uses as much as digits as its factorization.

68215000199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 68215000199 in words is "sixty-eight billion, two hundred fifteen million, one hundred ninety-nine", and thus it is an aban number.