6981141209 has 8 divisors (see below), whose sum is σ = 7979676288. Its totient is φ = 5982913440.

The previous prime is 6981141197. The next prime is 6981141259. The reversal of 6981141209 is 9021411896.

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

It is not a de Polignac number, because 6981141209 - 2³² = 2686173913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6981141259) 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, 25892 + ... + 120965.

It is an arithmetic number, because the mean of its divisors is an integer number (997459536).

Almost surely, 2^6981141209 is an apocalyptic number.

It is an amenable number.

6981141209 is a deficient number, since it is larger than the sum of its proper divisors (998535079).

6981141209 is a wasteful number, since it uses less digits than its factorization.

6981141209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153655.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 6981141209 is about 83553.2238097370. The cubic root of 6981141209 is about 1911.2117534786.

The spelling of 6981141209 in words is "six billion, nine hundred eighty-one million, one hundred forty-one thousand, two hundred nine".