10563654636 has 48 divisors (see below), whose sum is σ = 28578009600. Its totient is φ = 3368120976.

The previous prime is 10563654631. The next prime is 10563654649. The reversal of 10563654636 is 63645636501.

10563654636 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 3 + 6 + 5 + 4 + 636 = 666.

It is a super-2 number, since 2×10563654636² (a number of 21 digits) contains 22 as substring.

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 junction number, because it is equal to n+sod(n) for n = 10563654591 and 10563654600.

It is not an unprimeable number, because it can be changed into a prime (10563654631) 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, 2123856 + ... + 2128823.

It is an arithmetic number, because the mean of its divisors is an integer number (595375200).

Almost surely, 2^10563654636 is an apocalyptic number.

It is an amenable number.

10563654636 is an abundant number, since it is smaller than the sum of its proper divisors (18014354964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10563654636 is a wasteful number, since it uses less digits than its factorization.

10563654636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252715 (or 4252707 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 10563654636 in words is "ten billion, five hundred sixty-three million, six hundred fifty-four thousand, six hundred thirty-six".