67442295017 has 2 divisors, whose sum is σ = 67442295018. Its totient is φ = 67442295016.

The previous prime is 67442294977. The next prime is 67442295043. The reversal of 67442295017 is 71059224476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67130737216 + 311557801 = 259096^2 + 17651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67442295017 is a prime.

It is not a weakly prime, because it can be changed into another prime (67442295617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33721147508 + 33721147509.

It is an arithmetic number, because the mean of its divisors is an integer number (33721147509).

Almost surely, 2^67442295017 is an apocalyptic number.

It is an amenable number.

67442295017 is a deficient number, since it is larger than the sum of its proper divisors (1).

67442295017 is an equidigital number, since it uses as much as digits as its factorization.

67442295017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 67442295017 in words is "sixty-seven billion, four hundred forty-two million, two hundred ninety-five thousand, seventeen".