6981049316 has 12 divisors (see below), whose sum is σ = 12328918140. Its totient is φ = 3458501280.

The previous prime is 6981049307. The next prime is 6981049319. The reversal of 6981049316 is 6139401896.

It can be written as a sum of positive squares in 2 ways, for example, as 3922516900 + 3058532416 = 62630^2 + 55304^2 .

It is not an unprimeable number, because it can be changed into a prime (6981049319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8005355 + ... + 8006226.

It is an arithmetic number, because the mean of its divisors is an integer number (1027409845).

Almost surely, 2^6981049316 is an apocalyptic number.

It is an amenable number.

6981049316 is a deficient number, since it is larger than the sum of its proper divisors (5347868824).

6981049316 is a wasteful number, since it uses less digits than its factorization.

6981049316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16011694 (or 16011692 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 6981049316 is about 83552.6739009590. The cubic root of 6981049316 is about 1911.2033676599.

The spelling of 6981049316 in words is "six billion, nine hundred eighty-one million, forty-nine thousand, three hundred sixteen".