2851006686 has 16 divisors (see below), whose sum is σ = 6220378368. Its totient is φ = 863941400.

The previous prime is 2851006681. The next prime is 2851006693. The reversal of 2851006686 is 6866001582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851006681) 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, 21598470 + ... + 21598601.

It is an arithmetic number, because the mean of its divisors is an integer number (388773648).

Almost surely, 2^2851006686 is an apocalyptic number.

2851006686 is an abundant number, since it is smaller than the sum of its proper divisors (3369371682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2851006686 is a wasteful number, since it uses less digits than its factorization.

2851006686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43197087.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2851006686 is about 53394.8189059575. The cubic root of 2851006686 is about 1417.9668526239.

The spelling of 2851006686 in words is "two billion, eight hundred fifty-one million, six thousand, six hundred eighty-six".