13213421051434 has 8 divisors (see below), whose sum is σ = 19820326348548. Its totient is φ = 6606645601920.

The previous prime is 13213421051417. The next prime is 13213421051437. The reversal of 13213421051434 is 43415012431231.

It can be written as a sum of positive squares in 2 ways, for example, as 9160458890625 + 4052962160809 = 3026625^2 + 2013197^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13213421051434.

It is not an unprimeable number, because it can be changed into a prime (13213421051437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32207097 + ... + 32614780.

Almost surely, 2^{13213421051434} is an apocalyptic number.

13213421051434 is a deficient number, since it is larger than the sum of its proper divisors (6606905297114).

13213421051434 is a wasteful number, since it uses less digits than its factorization.

13213421051434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64923800.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 13213421051434 its reverse (43415012431231), we get a palindrome (56628433482665).

The spelling of 13213421051434 in words is "thirteen trillion, two hundred thirteen billion, four hundred twenty-one million, fifty-one thousand, four hundred thirty-four".