6843894578061 has 8 divisors (see below), whose sum is σ = 9140738246304. Its totient is φ = 4554823647600.

The previous prime is 6843894577987. The next prime is 6843894578137. The reversal of 6843894578061 is 1608754983486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6843894578061 - 2¹⁸ = 6843894315917 is a prime.

It is a super-2 number, since 2×6843894578061² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6843894579061) 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, 1943182390 + ... + 1943185911.

It is an arithmetic number, because the mean of its divisors is an integer number (1142592280788).

Almost surely, 2^{6843894578061} is an apocalyptic number.

It is an amenable number.

6843894578061 is a deficient number, since it is larger than the sum of its proper divisors (2296843668243).

6843894578061 is a wasteful number, since it uses less digits than its factorization.

6843894578061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886368891.

The product of its (nonzero) digits is 278691840, while the sum is 69.

The spelling of 6843894578061 in words is "six trillion, eight hundred forty-three billion, eight hundred ninety-four million, five hundred seventy-eight thousand, sixty-one".