13809876380 has 12 divisors (see below), whose sum is σ = 29000740440. Its totient is φ = 5523950544.

The previous prime is 13809876347. The next prime is 13809876383. The reversal of 13809876380 is 8367890831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13809876383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345246890 + ... + 345246929.

It is an arithmetic number, because the mean of its divisors is an integer number (2416728370).

Almost surely, 2^13809876380 is an apocalyptic number.

13809876380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13809876380 is an abundant number, since it is smaller than the sum of its proper divisors (15190864060).

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

13809876380 is a wasteful number, since it uses less digits than its factorization.

13809876380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690493828 (or 690493826 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 13809876380 in words is "thirteen billion, eight hundred nine million, eight hundred seventy-six thousand, three hundred eighty".