460346814821 has 2 divisors, whose sum is σ = 460346814822. Its totient is φ = 460346814820.

The previous prime is 460346814803. The next prime is 460346814877. The reversal of 460346814821 is 128418643064.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438659834596 + 21686980225 = 662314^2 + 147265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-460346814821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (460346814881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230173407410 + 230173407411.

It is an arithmetic number, because the mean of its divisors is an integer number (230173407411).

Almost surely, 2^460346814821 is an apocalyptic number.

It is an amenable number.

460346814821 is a deficient number, since it is larger than the sum of its proper divisors (1).

460346814821 is an equidigital number, since it uses as much as digits as its factorization.

460346814821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 460346814821 in words is "four hundred sixty billion, three hundred forty-six million, eight hundred fourteen thousand, eight hundred twenty-one".