13065444843 has 24 divisors (see below), whose sum is σ = 20274632784. Its totient is φ = 7452656640.

The previous prime is 13065444823. The next prime is 13065444857. The reversal of 13065444843 is 34844456031.

It is a happy number.

It is not a de Polignac number, because 13065444843 - 2²² = 13061250539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13065444795 and 13065444804.

It is not an unprimeable number, because it can be changed into a prime (13065444823) 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 23 ways as a sum of consecutive naturals, for example, 1052446 + ... + 1064787.

It is an arithmetic number, because the mean of its divisors is an integer number (844776366).

Almost surely, 2^13065444843 is an apocalyptic number.

13065444843 is a deficient number, since it is larger than the sum of its proper divisors (7209187941).

13065444843 is a wasteful number, since it uses less digits than its factorization.

13065444843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117275 (or 2117264 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 13065444843 in words is "thirteen billion, sixty-five million, four hundred forty-four thousand, eight hundred forty-three".