460993681 has 2 divisors, whose sum is σ = 460993682. Its totient is φ = 460993680.

The previous prime is 460993667. The next prime is 460993691. The reversal of 460993681 is 186399064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352500625 + 108493056 = 18775^2 + 10416^2 .

It is a cyclic number.

It is not a de Polignac number, because 460993681 - 2⁷ = 460993553 is a prime.

It is a super-2 number, since 2×460993681² = 425030347843859522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (460993651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230496840 + 230496841.

It is an arithmetic number, because the mean of its divisors is an integer number (230496841).

Almost surely, 2^460993681 is an apocalyptic number.

It is an amenable number.

460993681 is a deficient number, since it is larger than the sum of its proper divisors (1).

460993681 is an equidigital number, since it uses as much as digits as its factorization.

460993681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 460993681 is about 21470.7634004942. The cubic root of 460993681 is about 772.4997083537.

The spelling of 460993681 in words is "four hundred sixty million, nine hundred ninety-three thousand, six hundred eighty-one".