13649465189 has 8 divisors (see below), whose sum is σ = 14788477440. Its totient is φ = 12547797696.

The previous prime is 13649465183. The next prime is 13649465209. The reversal of 13649465189 is 98156494631.

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

It is a cyclic number.

It is not a de Polignac number, because 13649465189 - 2⁴ = 13649465173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649465183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9335429 + ... + 9336890.

It is an arithmetic number, because the mean of its divisors is an integer number (1848559680).

Almost surely, 2^13649465189 is an apocalyptic number.

It is an amenable number.

13649465189 is a deficient number, since it is larger than the sum of its proper divisors (1139012251).

13649465189 is a wasteful number, since it uses less digits than its factorization.

13649465189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672379.

The product of its digits is 5598720, while the sum is 56.

The spelling of 13649465189 in words is "thirteen billion, six hundred forty-nine million, four hundred sixty-five thousand, one hundred eighty-nine".