13838335828 has 24 divisors (see below), whose sum is σ = 24694814088. Its totient is φ = 6782894976.

The previous prime is 13838335811. The next prime is 13838335829. The reversal of 13838335828 is 82853383831.

It can be written as a sum of positive squares in 4 ways, for example, as 830477124 + 13007858704 = 28818^2 + 114052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838335829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230250 + ... + 284062.

It is an arithmetic number, because the mean of its divisors is an integer number (1028950587).

Almost surely, 2^13838335828 is an apocalyptic number.

It is an amenable number.

13838335828 is a deficient number, since it is larger than the sum of its proper divisors (10856478260).

13838335828 is a wasteful number, since it uses less digits than its factorization.

13838335828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55083 (or 55081 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 13838335828 in words is "thirteen billion, eight hundred thirty-eight million, three hundred thirty-five thousand, eight hundred twenty-eight".