6756831149 has 4 divisors (see below), whose sum is σ = 6759482400. Its totient is φ = 6754179900.

The previous prime is 6756831131. The next prime is 6756831161. The reversal of 6756831149 is 9411386576.

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 6756831149 - 2²⁰ = 6755782573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6756831097 and 6756831106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6756831199) 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, 1321799 + ... + 1326900.

It is an arithmetic number, because the mean of its divisors is an integer number (1689870600).

Almost surely, 2^6756831149 is an apocalyptic number.

It is an amenable number.

6756831149 is a deficient number, since it is larger than the sum of its proper divisors (2651251).

6756831149 is a wasteful number, since it uses less digits than its factorization.

6756831149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651250.

The product of its digits is 1088640, while the sum is 50.

The square root of 6756831149 is about 82199.9461617829. The cubic root of 6756831149 is about 1890.5188938540.

The spelling of 6756831149 in words is "six billion, seven hundred fifty-six million, eight hundred thirty-one thousand, one hundred forty-nine".