13796185049 has 4 divisors (see below), whose sum is σ = 14607725364. Its totient is φ = 12984644736.

The previous prime is 13796185043. The next prime is 13796185061. The reversal of 13796185049 is 94058169731.

13796185049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94058169731 = 207551 ⋅453181.

It can be written as a sum of positive squares in 2 ways, for example, as 12790026649 + 1006158400 = 113093^2 + 31720^2 .

It is a cyclic number.

It is not a de Polignac number, because 13796185049 - 2⁸ = 13796184793 is a prime.

It is a super-2 number, since 2×13796185049² (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 (13796185043) 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 3 ways as a sum of consecutive naturals, for example, 405770132 + ... + 405770165.

It is an arithmetic number, because the mean of its divisors is an integer number (3651931341).

Almost surely, 2^13796185049 is an apocalyptic number.

It is an amenable number.

13796185049 is a deficient number, since it is larger than the sum of its proper divisors (811540315).

13796185049 is an equidigital number, since it uses as much as digits as its factorization.

13796185049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811540314.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 13796185049 in words is "thirteen billion, seven hundred ninety-six million, one hundred eighty-five thousand, forty-nine".