68841103563 has 24 divisors (see below), whose sum is σ = 104854143680. Its totient is φ = 43402385520.

The previous prime is 68841103549. The next prime is 68841103633. The reversal of 68841103563 is 36530114886.

68841103563 is a `hidden beast` number, since 6 + 8 + 84 + 1 + 1 + 0 + 3 + 563 = 666.

It is not a de Polignac number, because 68841103563 - 2⁴ = 68841103547 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68841103523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254881 + ... + 450162.

Almost surely, 2^68841103563 is an apocalyptic number.

68841103563 is a deficient number, since it is larger than the sum of its proper divisors (36013040117).

68841103563 is a wasteful number, since it uses less digits than its factorization.

68841103563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705639 (or 705636 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 68841103563 in words is "sixty-eight billion, eight hundred forty-one million, one hundred three thousand, five hundred sixty-three".