13339993408 has 112 divisors (see below), whose sum is σ = 31367577600. Its totient is φ = 5508195840.

The previous prime is 13339993391. The next prime is 13339993411. The reversal of 13339993408 is 80439993331.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3317223 + ... + 3321241.

Almost surely, 2^13339993408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13339993408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15683788800).

13339993408 is an abundant number, since it is smaller than the sum of its proper divisors (18027584192).

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

13339993408 is a wasteful number, since it uses less digits than its factorization.

13339993408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 4298 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 52.

The spelling of 13339993408 in words is "thirteen billion, three hundred thirty-nine million, nine hundred ninety-three thousand, four hundred eight".