6980851361 has 4 divisors (see below), whose sum is σ = 7615474224. Its totient is φ = 6346228500.

The previous prime is 6980851357. The next prime is 6980851363. The reversal of 6980851361 is 1631580896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6980851361 - 2² = 6980851357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6980851363) 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, 317311415 + ... + 317311436.

It is an arithmetic number, because the mean of its divisors is an integer number (1903868556).

Almost surely, 2^6980851361 is an apocalyptic number.

It is an amenable number.

6980851361 is a deficient number, since it is larger than the sum of its proper divisors (634622863).

6980851361 is a wasteful number, since it uses less digits than its factorization.

6980851361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634622862.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 6980851361 is about 83551.4892805628. The cubic root of 6980851361 is about 1911.1853027616.

The spelling of 6980851361 in words is "six billion, nine hundred eighty million, eight hundred fifty-one thousand, three hundred sixty-one".