6769049891 has 8 divisors (see below), whose sum is σ = 7179150624. Its totient is φ = 6368598720.

The previous prime is 6769049879. The next prime is 6769049897. The reversal of 6769049891 is 1989409676.

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 6769049891 - 2¹⁴ = 6769033507 is a prime.

It is a super-2 number, since 2×6769049891² = 91640072853694223762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6769049891.

It is not an unprimeable number, because it can be changed into a prime (6769049897) 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, 2410946 + ... + 2413751.

It is an arithmetic number, because the mean of its divisors is an integer number (897393828).

Almost surely, 2^6769049891 is an apocalyptic number.

6769049891 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6769049891 is a deficient number, since it is larger than the sum of its proper divisors (410100733).

6769049891 is a wasteful number, since it uses less digits than its factorization.

6769049891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824781.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 6769049891 is about 82274.2358882779. The cubic root of 6769049891 is about 1891.6577833665.

The spelling of 6769049891 in words is "six billion, seven hundred sixty-nine million, forty-nine thousand, eight hundred ninety-one".