2851236706 has 4 divisors (see below), whose sum is σ = 4276855062. Its totient is φ = 1425618352.

The previous prime is 2851236697. The next prime is 2851236727. The reversal of 2851236706 is 6076321582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2851026025 + 210681 = 53395^2 + 459^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712809175 + ... + 712809178.

Almost surely, 2^2851236706 is an apocalyptic number.

2851236706 is a deficient number, since it is larger than the sum of its proper divisors (1425618356).

2851236706 is a wasteful number, since it uses less digits than its factorization.

2851236706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425618355.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2851236706 is about 53396.9728168180. The cubic root of 2851236706 is about 1418.0049855830.

The spelling of 2851236706 in words is "two billion, eight hundred fifty-one million, two hundred thirty-six thousand, seven hundred six".