68937438135067 has 2 divisors, whose sum is σ = 68937438135068. Its totient is φ = 68937438135066.

The previous prime is 68937438135023. The next prime is 68937438135133. The reversal of 68937438135067 is 76053183473986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68937438135067 - 2¹¹ = 68937438133019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68937438134987 and 68937438135005.

It is not a weakly prime, because it can be changed into another prime (68937438135967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34468719067533 + 34468719067534.

It is an arithmetic number, because the mean of its divisors is an integer number (34468719067534).

Almost surely, 2^{68937438135067} is an apocalyptic number.

68937438135067 is a deficient number, since it is larger than the sum of its proper divisors (1).

68937438135067 is an equidigital number, since it uses as much as digits as its factorization.

68937438135067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 548674560, while the sum is 70.

The spelling of 68937438135067 in words is "sixty-eight trillion, nine hundred thirty-seven billion, four hundred thirty-eight million, one hundred thirty-five thousand, sixty-seven".