43284972663 has 12 divisors (see below), whose sum is σ = 63379215120. Its totient is φ = 28461351456.

The previous prime is 43284972631. The next prime is 43284972697. The reversal of 43284972663 is 36627948234.

43284972663 is a `hidden beast` number, since 432 + 84 + 9 + 72 + 6 + 63 = 666.

It is not a de Polignac number, because 43284972663 - 2⁵ = 43284972631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43284902663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32940723 + ... + 32942036.

It is an arithmetic number, because the mean of its divisors is an integer number (5281601260).

Almost surely, 2^43284972663 is an apocalyptic number.

43284972663 is a deficient number, since it is larger than the sum of its proper divisors (20094242457).

43284972663 is a wasteful number, since it uses less digits than its factorization.

43284972663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65882838 (or 65882835 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 43284972663 in words is "forty-three billion, two hundred eighty-four million, nine hundred seventy-two thousand, six hundred sixty-three".