13646632241 has 32 divisors (see below), whose sum is σ = 15951427200. Its totient is φ = 11537326080.

The previous prime is 13646632229. The next prime is 13646632253. The reversal of 13646632241 is 14223664631.

13646632241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13646632229) and next prime (13646632253).

It is not a de Polignac number, because 13646632241 - 2²² = 13642437937 is a prime.

It is a super-2 number, since 2×13646632241² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13646632195 and 13646632204.

It is not an unprimeable number, because it can be changed into a prime (13646632211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8641790 + ... + 8643368.

It is an arithmetic number, because the mean of its divisors is an integer number (498482100).

Almost surely, 2^13646632241 is an apocalyptic number.

13646632241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13646632241 is a deficient number, since it is larger than the sum of its proper divisors (2304794959).

13646632241 is a wasteful number, since it uses less digits than its factorization.

13646632241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its digits is 124416, while the sum is 38.

The spelling of 13646632241 in words is "thirteen billion, six hundred forty-six million, six hundred thirty-two thousand, two hundred forty-one".