13850838369 has 12 divisors (see below), whose sum is σ = 20384253396. Its totient is φ = 9059667552.

The previous prime is 13850838361. The next prime is 13850838413. The reversal of 13850838369 is 96383805831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10067112225 + 3783726144 = 100335^2 + 61512^2 .

It is not a de Polignac number, because 13850838369 - 2³ = 13850838361 is a prime.

It is a super-2 number, since 2×13850838369² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13850838361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14518222 + ... + 14519175.

It is an arithmetic number, because the mean of its divisors is an integer number (1698687783).

Almost surely, 2^13850838369 is an apocalyptic number.

It is an amenable number.

13850838369 is a deficient number, since it is larger than the sum of its proper divisors (6533415027).

13850838369 is a wasteful number, since it uses less digits than its factorization.

13850838369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29037456 (or 29037453 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 13850838369 in words is "thirteen billion, eight hundred fifty million, eight hundred thirty-eight thousand, three hundred sixty-nine".