13424200345 has 4 divisors (see below), whose sum is σ = 16109040420. Its totient is φ = 10739360272.

The previous prime is 13424200343. The next prime is 13424200357. The reversal of 13424200345 is 54300242431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54300242431 = 198323 ⋅273797.

It can be written as a sum of positive squares in 2 ways, for example, as 3703817881 + 9720382464 = 60859^2 + 98592^2 .

It is a cyclic number.

It is not a de Polignac number, because 13424200345 - 2¹ = 13424200343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13424200343) 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, 1342420030 + ... + 1342420039.

It is an arithmetic number, because the mean of its divisors is an integer number (4027260105).

Almost surely, 2^13424200345 is an apocalyptic number.

It is an amenable number.

13424200345 is a deficient number, since it is larger than the sum of its proper divisors (2684840075).

13424200345 is an equidigital number, since it uses as much as digits as its factorization.

13424200345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684840074.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 13424200345 its reverse (54300242431), we get a palindrome (67724442776).

The spelling of 13424200345 in words is "thirteen billion, four hundred twenty-four million, two hundred thousand, three hundred forty-five".