67328641943 has 2 divisors, whose sum is σ = 67328641944. Its totient is φ = 67328641942.

The previous prime is 67328641843. The next prime is 67328641997. The reversal of 67328641943 is 34914682376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67328641943 - 2⁸ = 67328641687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67328641843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33664320971 + 33664320972.

It is an arithmetic number, because the mean of its divisors is an integer number (33664320972).

Almost surely, 2^67328641943 is an apocalyptic number.

67328641943 is a deficient number, since it is larger than the sum of its proper divisors (1).

67328641943 is an equidigital number, since it uses as much as digits as its factorization.

67328641943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The spelling of 67328641943 in words is "sixty-seven billion, three hundred twenty-eight million, six hundred forty-one thousand, nine hundred forty-three".