67919063873 has 2 divisors, whose sum is σ = 67919063874. Its totient is φ = 67919063872.

The previous prime is 67919063831. The next prime is 67919063893. The reversal of 67919063873 is 37836091976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62491500289 + 5427563584 = 249983^2 + 73672^2 .

It is a cyclic number.

It is not a de Polignac number, because 67919063873 - 2⁶ = 67919063809 is a prime.

It is a super-2 number, since 2×67919063873² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67919063813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33959531936 + 33959531937.

It is an arithmetic number, because the mean of its divisors is an integer number (33959531937).

Almost surely, 2^67919063873 is an apocalyptic number.

It is an amenable number.

67919063873 is a deficient number, since it is larger than the sum of its proper divisors (1).

67919063873 is an equidigital number, since it uses as much as digits as its factorization.

67919063873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 67919063873 in words is "sixty-seven billion, nine hundred nineteen million, sixty-three thousand, eight hundred seventy-three".