13425013404444 has 24 divisors (see below), whose sum is σ = 31325588667520. Its totient is φ = 4474924840944.

The previous prime is 13425013404373. The next prime is 13425013404463. The reversal of 13425013404444 is 44440431052431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9248914 + ... + 10601529.

Almost surely, 2^{13425013404444} is an apocalyptic number.

It is an amenable number.

13425013404444 is an abundant number, since it is smaller than the sum of its proper divisors (17900575263076).

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

13425013404444 is a wasteful number, since it uses less digits than its factorization.

13425013404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19906809 (or 19906807 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 13425013404444 its reverse (44440431052431), we get a palindrome (57865444456875).

The spelling of 13425013404444 in words is "thirteen trillion, four hundred twenty-five billion, thirteen million, four hundred four thousand, four hundred forty-four".