67404067069943 has 2 divisors, whose sum is σ = 67404067069944. Its totient is φ = 67404067069942.

The previous prime is 67404067069901. The next prime is 67404067069967. The reversal of 67404067069943 is 34996076040476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67404067069943 - 2³² = 67399772102647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67404067069943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67404067069043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33702033534971 + 33702033534972.

It is an arithmetic number, because the mean of its divisors is an integer number (33702033534972).

Almost surely, 2^{67404067069943} is an apocalyptic number.

67404067069943 is a deficient number, since it is larger than the sum of its proper divisors (1).

67404067069943 is an equidigital number, since it uses as much as digits as its factorization.

67404067069943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164602368, while the sum is 65.

The spelling of 67404067069943 in words is "sixty-seven trillion, four hundred four billion, sixty-seven million, sixty-nine thousand, nine hundred forty-three".