13683049449 has 8 divisors (see below), whose sum is σ = 18251642592. Its totient is φ = 9118244640.

The previous prime is 13683049441. The next prime is 13683049453. The reversal of 13683049449 is 94494038631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13683049449 - 2³ = 13683049441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13683049441) 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 7 ways as a sum of consecutive naturals, for example, 938644 + ... + 953109.

It is an arithmetic number, because the mean of its divisors is an integer number (2281455324).

Almost surely, 2^13683049449 is an apocalyptic number.

It is an amenable number.

13683049449 is a deficient number, since it is larger than the sum of its proper divisors (4568593143).

13683049449 is a wasteful number, since it uses less digits than its factorization.

13683049449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894167.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 13683049449 in words is "thirteen billion, six hundred eighty-three million, forty-nine thousand, four hundred forty-nine".