13605653043 has 6 divisors (see below), whose sum is σ = 19652609964. Its totient is φ = 9070435356.

The previous prime is 13605653041. The next prime is 13605653071. The reversal of 13605653043 is 34035650631.

13605653043 is a `hidden beast` number, since 1 + 3 + 60 + 565 + 30 + 4 + 3 = 666.

It is not a de Polignac number, because 13605653043 - 2¹ = 13605653041 is a prime.

It is a super-2 number, since 2×13605653043² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13605652989 and 13605653007.

It is not an unprimeable number, because it can be changed into a prime (13605653041) 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 5 ways as a sum of consecutive naturals, for example, 755869605 + ... + 755869622.

It is an arithmetic number, because the mean of its divisors is an integer number (3275434994).

Almost surely, 2^13605653043 is an apocalyptic number.

13605653043 is a deficient number, since it is larger than the sum of its proper divisors (6046956921).

13605653043 is a wasteful number, since it uses less digits than its factorization.

13605653043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511739233 (or 1511739230 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 13605653043 in words is "thirteen billion, six hundred five million, six hundred fifty-three thousand, forty-three".