13619639828 has 12 divisors (see below), whose sum is σ = 25236391572. Its totient is φ = 6409242240.

The previous prime is 13619639821. The next prime is 13619639843. The reversal of 13619639828 is 82893691631.

It is a happy number.

13619639828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10551809284 + 3067830544 = 102722^2 + 55388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13619639821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 100144343 + ... + 100144478.

It is an arithmetic number, because the mean of its divisors is an integer number (2103032631).

Almost surely, 2^13619639828 is an apocalyptic number.

It is an amenable number.

13619639828 is a deficient number, since it is larger than the sum of its proper divisors (11616751744).

13619639828 is a wasteful number, since it uses less digits than its factorization.

13619639828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200288842 (or 200288840 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The spelling of 13619639828 in words is "thirteen billion, six hundred nineteen million, six hundred thirty-nine thousand, eight hundred twenty-eight".