13603065426 has 64 divisors (see below), whose sum is σ = 30847415040. Its totient is φ = 4442428800.

The previous prime is 13603065419. The next prime is 13603065431. The reversal of 13603065426 is 62456030631.

13603065426 is a `hidden beast` number, since 1 + 3 + 603 + 0 + 6 + 5 + 42 + 6 = 666.

13603065426 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13603065426² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583816 + ... + 606668.

It is an arithmetic number, because the mean of its divisors is an integer number (481990860).

Almost surely, 2^13603065426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13603065426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15423707520).

13603065426 is an abundant number, since it is smaller than the sum of its proper divisors (17244349614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13603065426 is a wasteful number, since it uses less digits than its factorization.

13603065426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23088 (or 23082 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 13603065426 in words is "thirteen billion, six hundred three million, sixty-five thousand, four hundred twenty-six".