68828068433 has 2 divisors, whose sum is σ = 68828068434. Its totient is φ = 68828068432.

The previous prime is 68828068427. The next prime is 68828068501. The reversal of 68828068433 is 33486082886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68104297024 + 723771409 = 260968^2 + 26903^2 .

It is a cyclic number.

It is not a de Polignac number, because 68828068433 - 2⁶ = 68828068369 is a prime.

It is not a weakly prime, because it can be changed into another prime (68828065433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34414034216 + 34414034217.

It is an arithmetic number, because the mean of its divisors is an integer number (34414034217).

Almost surely, 2^68828068433 is an apocalyptic number.

It is an amenable number.

68828068433 is a deficient number, since it is larger than the sum of its proper divisors (1).

68828068433 is an equidigital number, since it uses as much as digits as its factorization.

68828068433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 68828068433 in words is "sixty-eight billion, eight hundred twenty-eight million, sixty-eight thousand, four hundred thirty-three".