13643020041 has 16 divisors (see below), whose sum is σ = 20791680000. Its totient is φ = 7795142928.

The previous prime is 13643020007. The next prime is 13643020049. The reversal of 13643020041 is 14002034631.

It is not a de Polignac number, because 13643020041 - 2¹⁰ = 13643019017 is a prime.

It is a super-2 number, since 2×13643020041² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13643019993 and 13643020020.

It is not an unprimeable number, because it can be changed into a prime (13643020049) 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, 189540 + ... + 251418.

It is an arithmetic number, because the mean of its divisors is an integer number (1299480000).

Almost surely, 2^13643020041 is an apocalyptic number.

It is an amenable number.

13643020041 is a deficient number, since it is larger than the sum of its proper divisors (7148659959).

13643020041 is a wasteful number, since it uses less digits than its factorization.

13643020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72388.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13643020041 its reverse (14002034631), we get a palindrome (27645054672).

The spelling of 13643020041 in words is "thirteen billion, six hundred forty-three million, twenty thousand, forty-one".