13973828850 has 72 divisors (see below), whose sum is σ = 38557742340. Its totient is φ = 3625637760.

The previous prime is 13973828839. The next prime is 13973828851. The reversal of 13973828850 is 5882837931.

13973828850 is a `hidden beast` number, since 139 + 7 + 382 + 88 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 9180897489 + 4792931361 = 95817^2 + 69231^2 .

It is not an unprimeable number, because it can be changed into a prime (13973828851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 402985 + ... + 436284.

Almost surely, 2^13973828850 is an apocalyptic number.

13973828850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13973828850 is an abundant number, since it is smaller than the sum of its proper divisors (24583913490).

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

13973828850 is a wasteful number, since it uses less digits than its factorization.

13973828850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839324 (or 839316 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 13973828850 in words is "thirteen billion, nine hundred seventy-three million, eight hundred twenty-eight thousand, eight hundred fifty".