13032343434721 has 4 divisors (see below), whose sum is σ = 14034831391252. Its totient is φ = 12029855478192.

The previous prime is 13032343434683. The next prime is 13032343434739. The reversal of 13032343434721 is 12743434323031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777022857121 + 12255320577600 = 881489^2 + 3500760^2 .

It is a cyclic number.

It is not a de Polignac number, because 13032343434721 - 2²⁷ = 13032209216993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13032343434421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501243978246 + ... + 501243978271.

It is an arithmetic number, because the mean of its divisors is an integer number (3508707847813).

Almost surely, 2^{13032343434721} is an apocalyptic number.

It is an amenable number.

13032343434721 is a deficient number, since it is larger than the sum of its proper divisors (1002487956531).

13032343434721 is a wasteful number, since it uses less digits than its factorization.

13032343434721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002487956530.

The product of its (nonzero) digits is 435456, while the sum is 40.

Adding to 13032343434721 its reverse (12743434323031), we get a palindrome (25775777757752).

The spelling of 13032343434721 in words is "thirteen trillion, thirty-two billion, three hundred forty-three million, four hundred thirty-four thousand, seven hundred twenty-one".