6786111849 has 24 divisors (see below), whose sum is σ = 9969445920. Its totient is φ = 4102887360.

The previous prime is 6786111841. The next prime is 6786111883. The reversal of 6786111849 is 9481116876.

It is not a de Polignac number, because 6786111849 - 2³ = 6786111841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6786111841) 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 23 ways as a sum of consecutive naturals, for example, 129789 + ... + 174405.

It is an arithmetic number, because the mean of its divisors is an integer number (415393580).

Almost surely, 2^6786111849 is an apocalyptic number.

It is an amenable number.

6786111849 is a deficient number, since it is larger than the sum of its proper divisors (3183334071).

6786111849 is a wasteful number, since it uses less digits than its factorization.

6786111849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45061 (or 45050 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 6786111849 is about 82377.8601870673. The cubic root of 6786111849 is about 1893.2458105626.

The spelling of 6786111849 in words is "six billion, seven hundred eighty-six million, one hundred eleven thousand, eight hundred forty-nine".