13913873208 has 96 divisors (see below), whose sum is σ = 37889280000. Its totient is φ = 4612707648.

The previous prime is 13913873179. The next prime is 13913873209. The reversal of 13913873208 is 80237831931.

It is a happy number.

It is a super-2 number, since 2×13913873208² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913873209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15139773 + ... + 15140691.

It is an arithmetic number, because the mean of its divisors is an integer number (394680000).

Almost surely, 2^13913873208 is an apocalyptic number.

13913873208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13913873208 is an abundant number, since it is smaller than the sum of its proper divisors (23975406792).

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

13913873208 is a wasteful number, since it uses less digits than its factorization.

13913873208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 13913873208 in words is "thirteen billion, nine hundred thirteen million, eight hundred seventy-three thousand, two hundred eight".