67630773193 has 2 divisors, whose sum is σ = 67630773194. Its totient is φ = 67630773192.

The previous prime is 67630773167. The next prime is 67630773211. The reversal of 67630773193 is 39137703676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67500196864 + 130576329 = 259808^2 + 11427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67630773193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67630773193.

It is not a weakly prime, because it can be changed into another prime (67630773113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33815386596 + 33815386597.

It is an arithmetic number, because the mean of its divisors is an integer number (33815386597).

Almost surely, 2^67630773193 is an apocalyptic number.

It is an amenable number.

67630773193 is a deficient number, since it is larger than the sum of its proper divisors (1).

67630773193 is an equidigital number, since it uses as much as digits as its factorization.

67630773193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000564, while the sum is 52.

The spelling of 67630773193 in words is "sixty-seven billion, six hundred thirty million, seven hundred seventy-three thousand, one hundred ninety-three".