460661856449 has 2 divisors, whose sum is σ = 460661856450. Its totient is φ = 460661856448.

The previous prime is 460661856439. The next prime is 460661856463. The reversal of 460661856449 is 944658166064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446567418049 + 14094438400 = 668257^2 + 118720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-460661856449 is a prime.

It is not a weakly prime, because it can be changed into another prime (460661856419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230330928224 + 230330928225.

It is an arithmetic number, because the mean of its divisors is an integer number (230330928225).

Almost surely, 2^460661856449 is an apocalyptic number.

It is an amenable number.

460661856449 is a deficient number, since it is larger than the sum of its proper divisors (1).

460661856449 is an equidigital number, since it uses as much as digits as its factorization.

460661856449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 59.

The spelling of 460661856449 in words is "four hundred sixty billion, six hundred sixty-one million, eight hundred fifty-six thousand, four hundred forty-nine".