13949788112 has 20 divisors (see below), whose sum is σ = 29106769860. Its totient is φ = 6438363648.

The previous prime is 13949788109. The next prime is 13949788117. The reversal of 13949788112 is 21188794931.

It can be written as a sum of positive squares in 2 ways, for example, as 5210529856 + 8739258256 = 72184^2 + 93484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13949788117) 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, 33532937 + ... + 33533352.

It is an arithmetic number, because the mean of its divisors is an integer number (1455338493).

Almost surely, 2^13949788112 is an apocalyptic number.

It is an amenable number.

13949788112 is an abundant number, since it is smaller than the sum of its proper divisors (15156981748).

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

13949788112 is a wasteful number, since it uses less digits than its factorization.

13949788112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67066310 (or 67066304 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The spelling of 13949788112 in words is "thirteen billion, nine hundred forty-nine million, seven hundred eighty-eight thousand, one hundred twelve".