13879372603009 has 3 divisors (see below), whose sum is σ = 13879376328513. Its totient is φ = 13879368877506.

The previous prime is 13879372602899. The next prime is 13879372603013. The reversal of 13879372603009 is 90030627397831.

It is a happy number.

The square root of 13879372603009 is 3725503.

It is a perfect power (a square), and thus also a powerful number.

13879372603009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13879372603009 - 2³⁷ = 13741933649537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13879372603039) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1862752 + ... + 5588254.

It is an arithmetic number, because the mean of its divisors is an integer number (4626458776171).

Almost surely, 2^{13879372603009} is an apocalyptic number.

13879372603009 is the 3725503-rd square number.

13879372603009 is the 1862752-nd centered octagonal number.

It is an amenable number.

13879372603009 is a deficient number, since it is larger than the sum of its proper divisors (3725504).

13879372603009 is an frugal number, since it uses more digits than its factorization.

13879372603009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451006 (or 3725503 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 13879372603009 in words is "thirteen trillion, eight hundred seventy-nine billion, three hundred seventy-two million, six hundred three thousand, nine".