8941385563 has 16 divisors (see below), whose sum is σ = 9795052800. Its totient is φ = 8094595680.

The previous prime is 8941385533. The next prime is 8941385581. The reversal of 8941385563 is 3655831498.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8941385563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8941385563.

It is not an unprimeable number, because it can be changed into a prime (8941385533) 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 15 ways as a sum of consecutive naturals, for example, 3520348 + ... + 3522886.

It is an arithmetic number, because the mean of its divisors is an integer number (612190800).

Almost surely, 2^8941385563 is an apocalyptic number.

8941385563 is a deficient number, since it is larger than the sum of its proper divisors (853667237).

8941385563 is a wasteful number, since it uses less digits than its factorization.

8941385563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762.

The product of its digits is 3110400, while the sum is 52.

The square root of 8941385563 is about 94558.8999671633. The cubic root of 8941385563 is about 2075.5583198229.

The spelling of 8941385563 in words is "eight billion, nine hundred forty-one million, three hundred eighty-five thousand, five hundred sixty-three".