67328641843 has 2 divisors, whose sum is σ = 67328641844. Its totient is φ = 67328641842.

The previous prime is 67328641799. The next prime is 67328641943. The reversal of 67328641843 is 34814682376.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67328641843 is a prime.

It is not a weakly prime, because it can be changed into another prime (67328641943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33664320921 + 33664320922.

It is an arithmetic number, because the mean of its divisors is an integer number (33664320922).

Almost surely, 2^67328641843 is an apocalyptic number.

67328641843 is a deficient number, since it is larger than the sum of its proper divisors (1).

67328641843 is an equidigital number, since it uses as much as digits as its factorization.

67328641843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 52.

The spelling of 67328641843 in words is "sixty-seven billion, three hundred twenty-eight million, six hundred forty-one thousand, eight hundred forty-three".