13895606149 has 4 divisors (see below), whose sum is σ = 14712994764. Its totient is φ = 13078217536.

The previous prime is 13895606107. The next prime is 13895606177. The reversal of 13895606149 is 94160659831.

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 5011224100 + 8884382049 = 70790^2 + 94257^2 .

It is a cyclic number.

It is not a de Polignac number, because 13895606149 - 2¹¹ = 13895604101 is a prime.

It is a super-2 number, since 2×13895606149² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13895606096 and 13895606105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13895606189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408694282 + ... + 408694315.

It is an arithmetic number, because the mean of its divisors is an integer number (3678248691).

Almost surely, 2^13895606149 is an apocalyptic number.

It is an amenable number.

13895606149 is a deficient number, since it is larger than the sum of its proper divisors (817388615).

13895606149 is an equidigital number, since it uses as much as digits as its factorization.

13895606149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817388614.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 13895606149 in words is "thirteen billion, eight hundred ninety-five million, six hundred six thousand, one hundred forty-nine".