6986761961 has 8 divisors (see below), whose sum is σ = 7057701504. Its totient is φ = 6915857200.

The previous prime is 6986761939. The next prime is 6986761963. The reversal of 6986761961 is 1691676896.

6986761961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6986761961 - 2³⁰ = 5913020137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6986761961.

It is not an unprimeable number, because it can be changed into a prime (6986761963) 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, 629486 + ... + 640488.

It is an arithmetic number, because the mean of its divisors is an integer number (882212688).

Almost surely, 2^6986761961 is an apocalyptic number.

It is an amenable number.

6986761961 is a deficient number, since it is larger than the sum of its proper divisors (70939543).

6986761961 is a wasteful number, since it uses less digits than its factorization.

6986761961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17391.

The product of its digits is 5878656, while the sum is 59.

The square root of 6986761961 is about 83586.8527999470. The cubic root of 6986761961 is about 1911.7245428740.

The spelling of 6986761961 in words is "six billion, nine hundred eighty-six million, seven hundred sixty-one thousand, nine hundred sixty-one".