13424425435405 has 16 divisors (see below), whose sum is σ = 16544879895600. Its totient is φ = 10449167173632.

The previous prime is 13424425435357. The next prime is 13424425435571. The reversal of 13424425435405 is 50453452442431.

It can be written as a sum of positive squares in 8 ways, for example, as 745677152676 + 12678748282729 = 863526^2 + 3560723^2 .

It is a cyclic number.

It is not a de Polignac number, because 13424425435405 - 2¹¹ = 13424425433357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18919197 + ... + 19615933.

It is an arithmetic number, because the mean of its divisors is an integer number (1034054993475).

Almost surely, 2^{13424425435405} is an apocalyptic number.

It is an amenable number.

13424425435405 is a deficient number, since it is larger than the sum of its proper divisors (3120454460195).

13424425435405 is a wasteful number, since it uses less digits than its factorization.

13424425435405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800928.

The product of its (nonzero) digits is 4608000, while the sum is 46.

Adding to 13424425435405 its reverse (50453452442431), we get a palindrome (63877877877836).

The spelling of 13424425435405 in words is "thirteen trillion, four hundred twenty-four billion, four hundred twenty-five million, four hundred thirty-five thousand, four hundred five".