2853925809 has 16 divisors (see below), whose sum is σ = 4420133760. Its totient is φ = 1604079360.

The previous prime is 2853925807. The next prime is 2853925831. The reversal of 2853925809 is 9085293582.

It is not a de Polignac number, because 2853925809 - 2¹ = 2853925807 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2853925807) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1112664 + ... + 1115225.

It is an arithmetic number, because the mean of its divisors is an integer number (276258360).

Almost surely, 2^2853925809 is an apocalyptic number.

It is an amenable number.

2853925809 is a deficient number, since it is larger than the sum of its proper divisors (1566207951).

2853925809 is a wasteful number, since it uses less digits than its factorization.

2853925809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227960.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 2853925809 is about 53422.1471769902. The cubic root of 2853925809 is about 1418.4506358634.

The spelling of 2853925809 in words is "two billion, eight hundred fifty-three million, nine hundred twenty-five thousand, eight hundred nine".