6801138756 has 60 divisors (see below), whose sum is σ = 18004645120. Its totient is φ = 2238341040.

The previous prime is 6801138739. The next prime is 6801138781. The reversal of 6801138756 is 6578311086.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107260 + ... + 158451.

Almost surely, 2^6801138756 is an apocalyptic number.

It is an amenable number.

6801138756 is an abundant number, since it is smaller than the sum of its proper divisors (11203506364).

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

6801138756 is a wasteful number, since it uses less digits than its factorization.

6801138756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265806 (or 265795 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 6801138756 is about 82469.0169457597. The cubic root of 6801138756 is about 1894.6422240953.

The spelling of 6801138756 in words is "six billion, eight hundred one million, one hundred thirty-eight thousand, seven hundred fifty-six".