2851020834 has 16 divisors (see below), whose sum is σ = 5885978880. Its totient is φ = 919684080.

The previous prime is 2851020793. The next prime is 2851020863. The reversal of 2851020834 is 4380201582.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2851020795 and 2851020804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7663849 + ... + 7664220.

It is an arithmetic number, because the mean of its divisors is an integer number (367873680).

Almost surely, 2^2851020834 is an apocalyptic number.

2851020834 is an abundant number, since it is smaller than the sum of its proper divisors (3034958046).

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

2851020834 is a wasteful number, since it uses less digits than its factorization.

2851020834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15328105.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2851020834 is about 53394.9513905575. The cubic root of 2851020834 is about 1417.9691981535.

The spelling of 2851020834 in words is "two billion, eight hundred fifty-one million, twenty thousand, eight hundred thirty-four".