13806419369 has 16 divisors (see below), whose sum is σ = 15207127680. Its totient is φ = 12510937296.

The previous prime is 13806419339. The next prime is 13806419371. The reversal of 13806419369 is 96391460831.

It is not a de Polignac number, because 13806419369 - 2⁸ = 13806419113 is a prime.

It is a super-2 number, since 2×13806419369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13806419309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113999 + ... + 201515.

It is an arithmetic number, because the mean of its divisors is an integer number (950445480).

Almost surely, 2^13806419369 is an apocalyptic number.

13806419369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13806419369 is a deficient number, since it is larger than the sum of its proper divisors (1400708311).

13806419369 is an frugal number, since it uses more digits than its factorization.

13806419369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87597 (or 87559 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 13806419369 in words is "thirteen billion, eight hundred six million, four hundred nineteen thousand, three hundred sixty-nine".