13839409428 has 48 divisors (see below), whose sum is σ = 35134505280. Its totient is φ = 4214375424.

The previous prime is 13839409427. The next prime is 13839409439. The reversal of 13839409428 is 82490493831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13839409427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442158 + ... + 472421.

It is an arithmetic number, because the mean of its divisors is an integer number (731968860).

Almost surely, 2^13839409428 is an apocalyptic number.

It is an amenable number.

13839409428 is an abundant number, since it is smaller than the sum of its proper divisors (21295095852).

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

13839409428 is a wasteful number, since it uses less digits than its factorization.

13839409428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914696 (or 914694 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 13839409428 in words is "thirteen billion, eight hundred thirty-nine million, four hundred nine thousand, four hundred twenty-eight".