13834649365 has 4 divisors (see below), whose sum is σ = 16601579244. Its totient is φ = 11067719488.

The previous prime is 13834649363. The next prime is 13834649377. The reversal of 13834649365 is 56394643831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10398696676 + 3435952689 = 101974^2 + 58617^2 .

It is a cyclic number.

It is not a de Polignac number, because 13834649365 - 2¹ = 13834649363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13834649363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383464932 + ... + 1383464941.

It is an arithmetic number, because the mean of its divisors is an integer number (4150394811).

Almost surely, 2^13834649365 is an apocalyptic number.

It is an amenable number.

13834649365 is a deficient number, since it is larger than the sum of its proper divisors (2766929879).

13834649365 is an equidigital number, since it uses as much as digits as its factorization.

13834649365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766929878.

The product of its digits is 5598720, while the sum is 52.

The spelling of 13834649365 in words is "thirteen billion, eight hundred thirty-four million, six hundred forty-nine thousand, three hundred sixty-five".