4178667466481 has 2 divisors, whose sum is σ = 4178667466482. Its totient is φ = 4178667466480.

The previous prime is 4178667466427. The next prime is 4178667466507. The reversal of 4178667466481 is 1846647668714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4160539267600 + 18128198881 = 2039740^2 + 134641^2 .

It is a cyclic number.

It is not a de Polignac number, because 4178667466481 - 2¹⁸ = 4178667204337 is a prime.

It is a super-2 number, since 2×4178667466481² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4178667466381) 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, 2089333733240 + 2089333733241.

It is an arithmetic number, because the mean of its divisors is an integer number (2089333733241).

Almost surely, 2^{4178667466481} is an apocalyptic number.

It is an amenable number.

4178667466481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4178667466481 is an equidigital number, since it uses as much as digits as its factorization.

4178667466481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 260112384, while the sum is 68.

The spelling of 4178667466481 in words is "four trillion, one hundred seventy-eight billion, six hundred sixty-seven million, four hundred sixty-six thousand, four hundred eighty-one".