67040533680943 has 2 divisors, whose sum is σ = 67040533680944. Its totient is φ = 67040533680942.

The previous prime is 67040533680941. The next prime is 67040533680977. The reversal of 67040533680943 is 34908633504076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67040533680943 - 2¹ = 67040533680941 is a prime.

Together with 67040533680941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67040533680941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33520266840471 + 33520266840472.

It is an arithmetic number, because the mean of its divisors is an integer number (33520266840472).

Almost surely, 2^{67040533680943} is an apocalyptic number.

67040533680943 is a deficient number, since it is larger than the sum of its proper divisors (1).

67040533680943 is an equidigital number, since it uses as much as digits as its factorization.

67040533680943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 67040533680943 in words is "sixty-seven trillion, forty billion, five hundred thirty-three million, six hundred eighty thousand, nine hundred forty-three".