68646288283 has 2 divisors, whose sum is σ = 68646288284. Its totient is φ = 68646288282.

The previous prime is 68646288199. The next prime is 68646288401. The reversal of 68646288283 is 38288264686.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68646288283 - 2¹⁷ = 68646157211 is a prime.

It is not a weakly prime, because it can be changed into another prime (68646088283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34323144141 + 34323144142.

It is an arithmetic number, because the mean of its divisors is an integer number (34323144142).

Almost surely, 2^68646288283 is an apocalyptic number.

68646288283 is a deficient number, since it is larger than the sum of its proper divisors (1).

68646288283 is an equidigital number, since it uses as much as digits as its factorization.

68646288283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42467328, while the sum is 61.

The spelling of 68646288283 in words is "sixty-eight billion, six hundred forty-six million, two hundred eighty-eight thousand, two hundred eighty-three".