13421344234 has 8 divisors (see below), whose sum is σ = 20135230308. Its totient is φ = 6709600800.

The previous prime is 13421344171. The next prime is 13421344243. The reversal of 13421344234 is 43244312431.

It can be written as a sum of positive squares in 2 ways, for example, as 12428905225 + 992439009 = 111485^2 + 31503^2 .

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 = 13421344196 and 13421344205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519907 + ... + 545110.

Almost surely, 2^13421344234 is an apocalyptic number.

13421344234 is a deficient number, since it is larger than the sum of its proper divisors (6713886074).

13421344234 is a wasteful number, since it uses less digits than its factorization.

13421344234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071320.

The product of its digits is 27648, while the sum is 31.

Adding to 13421344234 its reverse (43244312431), we get a palindrome (56665656665).

The spelling of 13421344234 in words is "thirteen billion, four hundred twenty-one million, three hundred forty-four thousand, two hundred thirty-four".