13625127438 has 32 divisors (see below), whose sum is σ = 29450911392. Its totient is φ = 4177420800.

The previous prime is 13625127371. The next prime is 13625127499. The reversal of 13625127438 is 83472152631.

13625127438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13625127438.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 288903 + ... + 332738.

It is an arithmetic number, because the mean of its divisors is an integer number (920340981).

Almost surely, 2^13625127438 is an apocalyptic number.

13625127438 is an abundant number, since it is smaller than the sum of its proper divisors (15825783954).

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

13625127438 is a wasteful number, since it uses less digits than its factorization.

13625127438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621940.

The product of its digits is 241920, while the sum is 42.

The spelling of 13625127438 in words is "thirteen billion, six hundred twenty-five million, one hundred twenty-seven thousand, four hundred thirty-eight".