6981641895 has 16 divisors (see below), whose sum is σ = 11430410112. Its totient is φ = 3636948000.

The previous prime is 6981641879. The next prime is 6981641897. The reversal of 6981641895 is 5981461896.

It is not a de Polignac number, because 6981641895 - 2⁴ = 6981641879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981641897) 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, 5411481 + ... + 5412770.

It is an arithmetic number, because the mean of its divisors is an integer number (714400632).

Almost surely, 2^6981641895 is an apocalyptic number.

6981641895 is a deficient number, since it is larger than the sum of its proper divisors (4448768217).

6981641895 is a wasteful number, since it uses less digits than its factorization.

6981641895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824302.

The product of its digits is 3732480, while the sum is 57.

The square root of 6981641895 is about 83556.2199659606. The cubic root of 6981641895 is about 1911.2574429565.

The spelling of 6981641895 in words is "six billion, nine hundred eighty-one million, six hundred forty-one thousand, eight hundred ninety-five".