13933470912 has 112 divisors (see below), whose sum is σ = 39198389472. Its totient is φ = 4352901120.

The previous prime is 13933470853. The next prime is 13933470913. The reversal of 13933470912 is 21907433931.

It is a super-2 number, since 2×13933470912² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13933470913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777768 + ... + 795480.

Almost surely, 2^13933470912 is an apocalyptic number.

13933470912 is a gapful number since it is divisible by the number (12) 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 13933470912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19599194736).

13933470912 is an abundant number, since it is smaller than the sum of its proper divisors (25264918560).

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

13933470912 is a wasteful number, since it uses less digits than its factorization.

13933470912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986 (or 17976 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 13933470912 in words is "thirteen billion, nine hundred thirty-three million, four hundred seventy thousand, nine hundred twelve".