2851056836 has 6 divisors (see below), whose sum is σ = 4989349470. Its totient is φ = 1425528416.

The previous prime is 2851056797. The next prime is 2851056847. The reversal of 2851056836 is 6386501582.

It can be written as a sum of positive squares in only one way, i.e., 2817486400 + 33570436 = 53080^2 + 5794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356382101 + ... + 356382108.

It is an arithmetic number, because the mean of its divisors is an integer number (831558245).

Almost surely, 2^2851056836 is an apocalyptic number.

It is an amenable number.

2851056836 is a deficient number, since it is larger than the sum of its proper divisors (2138292634).

2851056836 is a wasteful number, since it uses less digits than its factorization.

2851056836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712764213 (or 712764211 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 2851056836 is about 53395.2885187448. The cubic root of 2851056836 is about 1417.9751667188.

The spelling of 2851056836 in words is "two billion, eight hundred fifty-one million, fifty-six thousand, eight hundred thirty-six".