6891144411441 has 8 divisors (see below), whose sum is σ = 9188399867904. Its totient is φ = 4593992614640.

The previous prime is 6891144411433. The next prime is 6891144411461. The reversal of 6891144411441 is 1441144411986.

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

It is a cyclic number.

It is not a de Polignac number, because 6891144411441 - 2³ = 6891144411433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6891144411461) 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, 25759665 + ... + 26025806.

It is an arithmetic number, because the mean of its divisors is an integer number (1148549983488).

Almost surely, 2^{6891144411441} is an apocalyptic number.

It is an amenable number.

6891144411441 is a deficient number, since it is larger than the sum of its proper divisors (2297255456463).

6891144411441 is a wasteful number, since it uses less digits than its factorization.

6891144411441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51829831.

The product of its digits is 442368, while the sum is 48.

The spelling of 6891144411441 in words is "six trillion, eight hundred ninety-one billion, one hundred forty-four million, four hundred eleven thousand, four hundred forty-one".