11473663653 has 12 divisors (see below), whose sum is σ = 16608870720. Its totient is φ = 7632585576.

The previous prime is 11473663633. The next prime is 11473663661. The reversal of 11473663653 is 35636637411.

11473663653 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 3 + 6 + 636 + 5 + 3 = 666.

It is not a de Polignac number, because 11473663653 - 2⁹ = 11473663141 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11473663599 and 11473663608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11473663603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372563 + ... + 1380896.

It is an arithmetic number, because the mean of its divisors is an integer number (1384072560).

Almost surely, 2^11473663653 is an apocalyptic number.

It is an amenable number.

11473663653 is a deficient number, since it is larger than the sum of its proper divisors (5135207067).

11473663653 is a wasteful number, since it uses less digits than its factorization.

11473663653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753928 (or 2753925 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The spelling of 11473663653 in words is "eleven billion, four hundred seventy-three million, six hundred sixty-three thousand, six hundred fifty-three".