13425210543 has 4 divisors (see below), whose sum is σ = 17900280728. Its totient is φ = 8950140360.

The previous prime is 13425210541. The next prime is 13425210563. The reversal of 13425210543 is 34501252431.

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

It is not a de Polignac number, because 13425210543 - 2¹ = 13425210541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13425210543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425210541) 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, 2237535088 + ... + 2237535093.

It is an arithmetic number, because the mean of its divisors is an integer number (4475070182).

Almost surely, 2^13425210543 is an apocalyptic number.

13425210543 is a deficient number, since it is larger than the sum of its proper divisors (4475070185).

13425210543 is an equidigital number, since it uses as much as digits as its factorization.

13425210543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475070184.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13425210543 its reverse (34501252431), we get a palindrome (47926462974).

The spelling of 13425210543 in words is "thirteen billion, four hundred twenty-five million, two hundred ten thousand, five hundred forty-three".