6809042171754 has 96 divisors (see below), whose sum is σ = 15578473956864. Its totient is φ = 2228548101120.

The previous prime is 6809042171623. The next prime is 6809042171773. The reversal of 6809042171754 is 4571712409086.

6809042171754 is a `hidden beast` number, since 6 + 80 + 9 + 0 + 421 + 71 + 75 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6809042171754.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7481274 + ... + 8341914.

It is an arithmetic number, because the mean of its divisors is an integer number (162275770384).

Almost surely, 2^{6809042171754} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6809042171754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7789236978432).

6809042171754 is an abundant number, since it is smaller than the sum of its proper divisors (8769431785110).

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

6809042171754 is a wasteful number, since it uses less digits than its factorization.

6809042171754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860954 (or 860942 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 6809042171754 in words is "six trillion, eight hundred nine billion, forty-two million, one hundred seventy-one thousand, seven hundred fifty-four".