13364819469 has 24 divisors (see below), whose sum is σ = 20869998240. Its totient is φ = 8212801248.

The previous prime is 13364819441. The next prime is 13364819477. The reversal of 13364819469 is 96491846331.

13364819469 is a `hidden beast` number, since 13 + 3 + 6 + 481 + 94 + 69 = 666.

It is not a de Polignac number, because 13364819469 - 2⁵ = 13364819437 is a prime.

It is a super-2 number, since 2×13364819469² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13364819269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049847 + ... + 1062500.

It is an arithmetic number, because the mean of its divisors is an integer number (869583260).

Almost surely, 2^13364819469 is an apocalyptic number.

13364819469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13364819469 is a deficient number, since it is larger than the sum of its proper divisors (7505178771).

13364819469 is a wasteful number, since it uses less digits than its factorization.

13364819469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112409 (or 2112406 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 13364819469 in words is "thirteen billion, three hundred sixty-four million, eight hundred nineteen thousand, four hundred sixty-nine".