463845506985 has 72 divisors (see below), whose sum is σ = 923025939264. Its totient is φ = 211085663040.

The previous prime is 463845506981. The next prime is 463845506989. The reversal of 463845506985 is 589605548364.

It is a happy number.

463845506985 is a `hidden beast` number, since 4 + 6 + 3 + 8 + 45 + 506 + 9 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (463845506981) and next prime (463845506989).

It is not a de Polignac number, because 463845506985 - 2² = 463845506981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (463845506981) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15649830 + ... + 15679440.

It is an arithmetic number, because the mean of its divisors is an integer number (12819804712).

Almost surely, 2^463845506985 is an apocalyptic number.

463845506985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

463845506985 is a deficient number, since it is larger than the sum of its proper divisors (459180432279).

463845506985 is a wasteful number, since it uses less digits than its factorization.

463845506985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075 (or 29849 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 63.

The spelling of 463845506985 in words is "four hundred sixty-three billion, eight hundred forty-five million, five hundred six thousand, nine hundred eighty-five".