13559994424 has 16 divisors (see below), whose sum is σ = 25483986720. Its totient is φ = 6764264640.

The previous prime is 13559994419. The next prime is 13559994467. The reversal of 13559994424 is 42449995531.

It is a super-2 number, since 2×13559994424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1962909 + ... + 1969804.

It is an arithmetic number, because the mean of its divisors is an integer number (1592749170).

Almost surely, 2^13559994424 is an apocalyptic number.

It is an amenable number.

13559994424 is a deficient number, since it is larger than the sum of its proper divisors (11923992296).

13559994424 is a wasteful number, since it uses less digits than its factorization.

13559994424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933150 (or 3933146 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 55.

The spelling of 13559994424 in words is "thirteen billion, five hundred fifty-nine million, nine hundred ninety-four thousand, four hundred twenty-four".