481971547663 has 16 divisors (see below), whose sum is σ = 510566708736. Its totient is φ = 454016645280.

The previous prime is 481971547657. The next prime is 481971547667. The reversal of 481971547663 is 366745179184.

It is a happy number.

It is not a de Polignac number, because 481971547663 - 2²¹ = 481969450511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481971547667) 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, 6157470 + ... + 6235252.

It is an arithmetic number, because the mean of its divisors is an integer number (31910419296).

Almost surely, 2^481971547663 is an apocalyptic number.

481971547663 is a deficient number, since it is larger than the sum of its proper divisors (28595161073).

481971547663 is a wasteful number, since it uses less digits than its factorization.

481971547663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81894.

The product of its digits is 30481920, while the sum is 61.

The spelling of 481971547663 in words is "four hundred eighty-one billion, nine hundred seventy-one million, five hundred forty-seven thousand, six hundred sixty-three".