67618920976043 has 2 divisors, whose sum is σ = 67618920976044. Its totient is φ = 67618920976042.

The previous prime is 67618920976021. The next prime is 67618920976111. The reversal of 67618920976043 is 34067902981676.

It is an a-pointer prime, because the next prime (67618920976111) can be obtained adding 67618920976043 to its sum of digits (68).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67618920976043 - 2¹² = 67618920971947 is a prime.

It is not a weakly prime, because it can be changed into another prime (67618920976543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33809460488021 + 33809460488022.

It is an arithmetic number, because the mean of its divisors is an integer number (33809460488022).

Almost surely, 2^{67618920976043} is an apocalyptic number.

67618920976043 is a deficient number, since it is larger than the sum of its proper divisors (1).

67618920976043 is an equidigital number, since it uses as much as digits as its factorization.

67618920976043 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 68.

The spelling of 67618920976043 in words is "sixty-seven trillion, six hundred eighteen billion, nine hundred twenty million, nine hundred seventy-six thousand, forty-three".