67145482993 has 2 divisors, whose sum is σ = 67145482994. Its totient is φ = 67145482992.

The previous prime is 67145482961. The next prime is 67145483011. The reversal of 67145482993 is 39928454176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34593024064 + 32552458929 = 185992^2 + 180423^2 .

It is a cyclic number.

It is not a de Polignac number, because 67145482993 - 2⁵ = 67145482961 is a prime.

It is not a weakly prime, because it can be changed into another prime (67145480993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33572741496 + 33572741497.

It is an arithmetic number, because the mean of its divisors is an integer number (33572741497).

Almost surely, 2^67145482993 is an apocalyptic number.

It is an amenable number.

67145482993 is a deficient number, since it is larger than the sum of its proper divisors (1).

67145482993 is an equidigital number, since it uses as much as digits as its factorization.

67145482993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 58.

The spelling of 67145482993 in words is "sixty-seven billion, one hundred forty-five million, four hundred eighty-two thousand, nine hundred ninety-three".