68668000283 has 2 divisors, whose sum is σ = 68668000284. Its totient is φ = 68668000282.

The previous prime is 68668000279. The next prime is 68668000333. The reversal of 68668000283 is 38200086686.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68668000283 - 2² = 68668000279 is a prime.

It is a super-4 number, since 4×68668000283⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (68668006283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34334000141 + 34334000142.

It is an arithmetic number, because the mean of its divisors is an integer number (34334000142).

Almost surely, 2^68668000283 is an apocalyptic number.

68668000283 is a deficient number, since it is larger than the sum of its proper divisors (1).

68668000283 is an equidigital number, since it uses as much as digits as its factorization.

68668000283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 68668000283 in words is "sixty-eight billion, six hundred sixty-eight million, two hundred eighty-three", and thus it is an aban number.