13888814452 has 12 divisors (see below), whose sum is σ = 24898240836. Its totient is φ = 6775031360.

The previous prime is 13888814447. The next prime is 13888814453. The reversal of 13888814452 is 25441888831.

It can be written as a sum of positive squares in 2 ways, for example, as 862244496 + 13026569956 = 29364^2 + 114134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13888814452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13888814453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42343783 + ... + 42344110.

It is an arithmetic number, because the mean of its divisors is an integer number (2074853403).

Almost surely, 2^13888814452 is an apocalyptic number.

It is an amenable number.

13888814452 is a deficient number, since it is larger than the sum of its proper divisors (11009426384).

13888814452 is a wasteful number, since it uses less digits than its factorization.

13888814452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84687938 (or 84687936 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 52.

The spelling of 13888814452 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred fourteen thousand, four hundred fifty-two".