6891241841 has 16 divisors (see below), whose sum is σ = 8186270400. Its totient is φ = 5730379200.

The previous prime is 6891241793. The next prime is 6891241909. The reversal of 6891241841 is 1481421986.

It is a cyclic number.

It is not a de Polignac number, because 6891241841 - 2¹⁴ = 6891225457 is a prime.

It is a super-2 number, since 2×6891241841² = 94978428222298138562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6891241792 and 6891241801.

It is not an unprimeable number, because it can be changed into a prime (6891246841) 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, 562430 + ... + 574551.

It is an arithmetic number, because the mean of its divisors is an integer number (511641900).

Almost surely, 2^6891241841 is an apocalyptic number.

It is an amenable number.

6891241841 is a deficient number, since it is larger than the sum of its proper divisors (1295028559).

6891241841 is a wasteful number, since it uses less digits than its factorization.

6891241841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137040.

The product of its digits is 110592, while the sum is 44.

The square root of 6891241841 is about 83013.5039677280. The cubic root of 6891241841 is about 1902.9724333504.

The spelling of 6891241841 in words is "six billion, eight hundred ninety-one million, two hundred forty-one thousand, eight hundred forty-one".