2851678339 has 4 divisors (see below), whose sum is σ = 2879912880. Its totient is φ = 2823443800.

The previous prime is 2851678331. The next prime is 2851678363. The reversal of 2851678339 is 9338761582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9338761582 = 2 ⋅4669380791.

It is a cyclic number.

It is not a de Polignac number, because 2851678339 - 2³ = 2851678331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2851678331) 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, 14117119 + ... + 14117320.

It is an arithmetic number, because the mean of its divisors is an integer number (719978220).

Almost surely, 2^2851678339 is an apocalyptic number.

2851678339 is a deficient number, since it is larger than the sum of its proper divisors (28234541).

2851678339 is a wasteful number, since it uses less digits than its factorization.

2851678339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28234540.

The product of its digits is 2177280, while the sum is 52.

The square root of 2851678339 is about 53401.1080315755. The cubic root of 2851678339 is about 1418.0781942208.

The spelling of 2851678339 in words is "two billion, eight hundred fifty-one million, six hundred seventy-eight thousand, three hundred thirty-nine".