13965843216 has 80 divisors (see below), whose sum is σ = 38882372480. Its totient is φ = 4294010880.

The previous prime is 13965843197. The next prime is 13965843223. The reversal of 13965843216 is 61234856931.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921621 + ... + 936651.

It is an arithmetic number, because the mean of its divisors is an integer number (486029656).

Almost surely, 2^13965843216 is an apocalyptic number.

13965843216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13965843216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19441186240).

13965843216 is an abundant number, since it is smaller than the sum of its proper divisors (24916529264).

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

13965843216 is a wasteful number, since it uses less digits than its factorization.

13965843216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16544 (or 16538 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 13965843216 in words is "thirteen billion, nine hundred sixty-five million, eight hundred forty-three thousand, two hundred sixteen".