67495618273 has 2 divisors, whose sum is σ = 67495618274. Its totient is φ = 67495618272.

The previous prime is 67495618213. The next prime is 67495618301. The reversal of 67495618273 is 37281659476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67344402064 + 151216209 = 259508^2 + 12297^2 .

It is a cyclic number.

It is not a de Polignac number, because 67495618273 - 2¹⁷ = 67495487201 is a prime.

It is not a weakly prime, because it can be changed into another prime (67495618213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33747809136 + 33747809137.

It is an arithmetic number, because the mean of its divisors is an integer number (33747809137).

Almost surely, 2^67495618273 is an apocalyptic number.

It is an amenable number.

67495618273 is a deficient number, since it is larger than the sum of its proper divisors (1).

67495618273 is an equidigital number, since it uses as much as digits as its factorization.

67495618273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 58.

The spelling of 67495618273 in words is "sixty-seven billion, four hundred ninety-five million, six hundred eighteen thousand, two hundred seventy-three".