13424221042 has 8 divisors (see below), whose sum is σ = 20219885532. Its totient is φ = 6684259200.

The previous prime is 13424221001. The next prime is 13424221087. The reversal of 13424221042 is 24012242431.

It can be written as a sum of positive squares in 2 ways, for example, as 11252754241 + 2171466801 = 106079^2 + 46599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13424220998 and 13424221016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13925059 + ... + 13926022.

Almost surely, 2^13424221042 is an apocalyptic number.

13424221042 is a deficient number, since it is larger than the sum of its proper divisors (6795664490).

13424221042 is a wasteful number, since it uses less digits than its factorization.

13424221042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27851324.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13424221042 its reverse (24012242431), we get a palindrome (37436463473).

The spelling of 13424221042 in words is "thirteen billion, four hundred twenty-four million, two hundred twenty-one thousand, forty-two".