6771830649 has 16 divisors (see below), whose sum is σ = 9085300224. Its totient is φ = 4486492800.

The previous prime is 6771830581. The next prime is 6771830651. The reversal of 6771830649 is 9460381776.

It is not a de Polignac number, because 6771830649 - 2¹⁶ = 6771765113 is a prime.

It is a super-2 number, since 2×6771830649² = 91715380677471522402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6771830699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986469 + ... + 993309.

It is an arithmetic number, because the mean of its divisors is an integer number (567831264).

Almost surely, 2^6771830649 is an apocalyptic number.

It is an amenable number.

6771830649 is a deficient number, since it is larger than the sum of its proper divisors (2313469575).

6771830649 is a wasteful number, since it uses less digits than its factorization.

6771830649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 6771830649 is about 82291.1334774288. The cubic root of 6771830649 is about 1891.9167819189.

The spelling of 6771830649 in words is "six billion, seven hundred seventy-one million, eight hundred thirty thousand, six hundred forty-nine".