463643388681 has 16 divisors (see below), whose sum is σ = 683628611520. Its totient is φ = 277146731520.

The previous prime is 463643388667. The next prime is 463643388707. The reversal of 463643388681 is 186883346364.

It is not a de Polignac number, because 463643388681 - 2⁶ = 463643388617 is a prime.

It is a super-2 number, since 2×463643388681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (463643388601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96229096 + ... + 96233913.

It is an arithmetic number, because the mean of its divisors is an integer number (42726788220).

Almost surely, 2^463643388681 is an apocalyptic number.

It is an amenable number.

463643388681 is a deficient number, since it is larger than the sum of its proper divisors (219985222839).

463643388681 is a wasteful number, since it uses less digits than its factorization.

463643388681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192463096.

The product of its digits is 47775744, while the sum is 60.

The spelling of 463643388681 in words is "four hundred sixty-three billion, six hundred forty-three million, three hundred eighty-eight thousand, six hundred eighty-one".