13783699216 has 75 divisors (see below), whose sum is σ = 31207148231. Its totient is φ = 5897437728.

The previous prime is 13783699213. The next prime is 13783699231. The reversal of 13783699216 is 61299638731.

The square root of 13783699216 is 117404.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (13783699213) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 23010885 + ... + 23011483.

Almost surely, 2^13783699216 is an apocalyptic number.

13783699216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13783699216 is the 117404-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13783699216

13783699216 is an abundant number, since it is smaller than the sum of its proper divisors (17423449015).

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

13783699216 is an frugal number, since it uses more digits than its factorization.

13783699216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 608 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The spelling of 13783699216 in words is "thirteen billion, seven hundred eighty-three million, six hundred ninety-nine thousand, two hundred sixteen".