460661856489 has 24 divisors (see below), whose sum is σ = 666580741632. Its totient is φ = 306563382720.

The previous prime is 460661856481. The next prime is 460661856491. The reversal of 460661856489 is 984658166064.

460661856489 is a `hidden beast` number, since 4 + 6 + 0 + 6 + 61 + 8 + 564 + 8 + 9 = 666.

It is not a de Polignac number, because 460661856489 - 2³ = 460661856481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (460661856481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44022472 + ... + 44032934.

It is an arithmetic number, because the mean of its divisors is an integer number (27774197568).

Almost surely, 2^460661856489 is an apocalyptic number.

It is an amenable number.

460661856489 is a deficient number, since it is larger than the sum of its proper divisors (205918885143).

460661856489 is a wasteful number, since it uses less digits than its factorization.

460661856489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18674 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 460661856489 in words is "four hundred sixty billion, six hundred sixty-one million, eight hundred fifty-six thousand, four hundred eighty-nine".