67145227017703 has 2 divisors, whose sum is σ = 67145227017704. Its totient is φ = 67145227017702.

The previous prime is 67145227017647. The next prime is 67145227017769. The reversal of 67145227017703 is 30771072254176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67145227017703 - 2²¹ = 67145224920551 is a prime.

It is a super-2 number, since 2×67145227017703² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67145227017503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33572613508851 + 33572613508852.

It is an arithmetic number, because the mean of its divisors is an integer number (33572613508852).

Almost surely, 2^{67145227017703} is an apocalyptic number.

67145227017703 is a deficient number, since it is larger than the sum of its proper divisors (1).

67145227017703 is an equidigital number, since it uses as much as digits as its factorization.

67145227017703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 67145227017703 in words is "sixty-seven trillion, one hundred forty-five billion, two hundred twenty-seven million, seventeen thousand, seven hundred three".