460661856491 has 2 divisors, whose sum is σ = 460661856492. Its totient is φ = 460661856490.

The previous prime is 460661856481. The next prime is 460661856509. The reversal of 460661856491 is 194658166064.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 460661856491 - 2²² = 460657662187 is a prime.

It is not a weakly prime, because it can be changed into another prime (460661856481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230330928245 + 230330928246.

It is an arithmetic number, because the mean of its divisors is an integer number (230330928246).

Almost surely, 2^460661856491 is an apocalyptic number.

460661856491 is a deficient number, since it is larger than the sum of its proper divisors (1).

460661856491 is an equidigital number, since it uses as much as digits as its factorization.

460661856491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 460661856491 in words is "four hundred sixty billion, six hundred sixty-one million, eight hundred fifty-six thousand, four hundred ninety-one".