2853756945 has 24 divisors (see below), whose sum is σ = 5327014056. Its totient is φ = 1404926208.

The previous prime is 2853756943. The next prime is 2853756949. The reversal of 2853756945 is 5496573582.

2853756945 is a `hidden beast` number, since 2 + 8 + 5 + 37 + 569 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 132987024 + 2720769921 = 11532^2 + 52161^2 .

It is not a de Polignac number, because 2853756945 - 2¹ = 2853756943 is a prime.

It is a super-2 number, since 2×2853756945² = 16287857402271466050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2853756891 and 2853756900.

It is not an unprimeable number, because it can be changed into a prime (2853756943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2438524 + ... + 2439693.

It is an arithmetic number, because the mean of its divisors is an integer number (221958919).

Almost surely, 2^2853756945 is an apocalyptic number.

It is an amenable number.

2853756945 is a deficient number, since it is larger than the sum of its proper divisors (2473257111).

2853756945 is a wasteful number, since it uses less digits than its factorization.

2853756945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878241 (or 4878238 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The square root of 2853756945 is about 53420.5666855004. The cubic root of 2853756945 is about 1418.4226591991.

The spelling of 2853756945 in words is "two billion, eight hundred fifty-three million, seven hundred fifty-six thousand, nine hundred forty-five".