13819201850 has 24 divisors (see below), whose sum is σ = 25767851868. Its totient is φ = 5513888000.

The previous prime is 13819201819. The next prime is 13819201853. The reversal of 13819201850 is 5810291831.

13819201850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 11376568921 + 2442632929 = 106661^2 + 49423^2 .

It is not an unprimeable number, because it can be changed into a prime (13819201853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324569 + ... + 364668.

Almost surely, 2^13819201850 is an apocalyptic number.

13819201850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13819201850 is a deficient number, since it is larger than the sum of its proper divisors (11948650018).

13819201850 is a wasteful number, since it uses less digits than its factorization.

13819201850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689650 (or 689645 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 13819201850 in words is "thirteen billion, eight hundred nineteen million, two hundred one thousand, eight hundred fifty".