6849059649 has 4 divisors (see below), whose sum is σ = 9132079536. Its totient is φ = 4566039764.

The previous prime is 6849059647. The next prime is 6849059689. The reversal of 6849059649 is 9469509486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6849059649 - 2¹ = 6849059647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6849059592 and 6849059601.

It is not an unprimeable number, because it can be changed into a prime (6849059647) 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, 1141509939 + ... + 1141509944.

It is an arithmetic number, because the mean of its divisors is an integer number (2283019884).

Almost surely, 2^6849059649 is an apocalyptic number.

It is an amenable number.

6849059649 is a deficient number, since it is larger than the sum of its proper divisors (2283019887).

6849059649 is a wasteful number, since it uses less digits than its factorization.

6849059649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283019886.

The product of its (nonzero) digits is 16796160, while the sum is 60.

The square root of 6849059649 is about 82759.0457231111. The cubic root of 6849059649 is about 1899.0817029675.

The spelling of 6849059649 in words is "six billion, eight hundred forty-nine million, fifty-nine thousand, six hundred forty-nine".