68080147999 has 2 divisors, whose sum is σ = 68080148000. Its totient is φ = 68080147998.

The previous prime is 68080147997. The next prime is 68080148021. The reversal of 68080147999 is 99974108086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68080147999 - 2¹ = 68080147997 is a prime.

Together with 68080147997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68080147997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34040073999 + 34040074000.

It is an arithmetic number, because the mean of its divisors is an integer number (34040074000).

Almost surely, 2^68080147999 is an apocalyptic number.

68080147999 is a deficient number, since it is larger than the sum of its proper divisors (1).

68080147999 is an equidigital number, since it uses as much as digits as its factorization.

68080147999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 68080147999 in words is "sixty-eight billion, eighty million, one hundred forty-seven thousand, nine hundred ninety-nine".