6769115136 has 256 divisors, whose sum is σ = 22942492800. Its totient is φ = 1932263424.

The previous prime is 6769115117. The next prime is 6769115137. The reversal of 6769115136 is 6315119676.

6769115136 is a `hidden beast` number, since 67 + 69 + 11 + 513 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (256).

It is a junction number, because it is equal to n+sod(n) for n = 6769115091 and 6769115100.

It is not an unprimeable number, because it can be changed into a prime (6769115137) 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, 6192606 + ... + 6193698.

Almost surely, 2^6769115136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6769115136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11471246400).

6769115136 is an abundant number, since it is smaller than the sum of its proper divisors (16173377664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6769115136 is an equidigital number, since it uses as much as digits as its factorization.

6769115136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1105 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 6769115136 is about 82274.6323966264. The cubic root of 6769115136 is about 1891.6638610691.

The spelling of 6769115136 in words is "six billion, seven hundred sixty-nine million, one hundred fifteen thousand, one hundred thirty-six".