13843709988 has 24 divisors (see below), whose sum is σ = 33175017792. Its totient is φ = 4489851744.

The previous prime is 13843709963. The next prime is 13843709993. The reversal of 13843709988 is 88990734831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15589320 + ... + 15590207.

It is an arithmetic number, because the mean of its divisors is an integer number (1382292408).

Almost surely, 2^13843709988 is an apocalyptic number.

It is an amenable number.

13843709988 is an abundant number, since it is smaller than the sum of its proper divisors (19331307804).

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

13843709988 is a wasteful number, since it uses less digits than its factorization.

13843709988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31179571 (or 31179569 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 13843709988 in words is "thirteen billion, eight hundred forty-three million, seven hundred nine thousand, nine hundred eighty-eight".