460668914921 has 2 divisors, whose sum is σ = 460668914922. Its totient is φ = 460668914920.

The previous prime is 460668914891. The next prime is 460668914933. The reversal of 460668914921 is 129419866064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420111385600 + 40557529321 = 648160^2 + 201389^2 .

It is a cyclic number.

It is not a de Polignac number, because 460668914921 - 2⁶ = 460668914857 is a prime.

It is not a weakly prime, because it can be changed into another prime (460668913921) 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, 230334457460 + 230334457461.

It is an arithmetic number, because the mean of its divisors is an integer number (230334457461).

Almost surely, 2^460668914921 is an apocalyptic number.

It is an amenable number.

460668914921 is a deficient number, since it is larger than the sum of its proper divisors (1).

460668914921 is an equidigital number, since it uses as much as digits as its factorization.

460668914921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 460668914921 in words is "four hundred sixty billion, six hundred sixty-eight million, nine hundred fourteen thousand, nine hundred twenty-one".