13853811919 has 2 divisors, whose sum is σ = 13853811920. Its totient is φ = 13853811918.

The previous prime is 13853811899. The next prime is 13853811947. The reversal of 13853811919 is 91911835831.

13853811919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13853811919 - 2¹⁵ = 13853779151 is a prime.

It is a super-2 number, since 2×13853811919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13853811319) 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 as a sum of consecutive naturals, namely, 6926905959 + 6926905960.

It is an arithmetic number, because the mean of its divisors is an integer number (6926905960).

Almost surely, 2^13853811919 is an apocalyptic number.

13853811919 is a deficient number, since it is larger than the sum of its proper divisors (1).

13853811919 is an equidigital number, since it uses as much as digits as its factorization.

13853811919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 49.

The spelling of 13853811919 in words is "thirteen billion, eight hundred fifty-three million, eight hundred eleven thousand, nine hundred nineteen".