2838475821 has 16 divisors (see below), whose sum is σ = 3837083328. Its totient is φ = 1866240000.

The previous prime is 2838475819. The next prime is 2838475901. The reversal of 2838475821 is 1285748382.

It is not a de Polignac number, because 2838475821 - 2¹ = 2838475819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838475811) 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, 59646 + ... + 96096.

It is an arithmetic number, because the mean of its divisors is an integer number (239817708).

Almost surely, 2^2838475821 is an apocalyptic number.

It is an amenable number.

2838475821 is a deficient number, since it is larger than the sum of its proper divisors (998607507).

2838475821 is a wasteful number, since it uses less digits than its factorization.

2838475821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36812.

The product of its digits is 860160, while the sum is 48.

The square root of 2838475821 is about 53277.3481040489. The cubic root of 2838475821 is about 1415.8863656257.

The spelling of 2838475821 in words is "two billion, eight hundred thirty-eight million, four hundred seventy-five thousand, eight hundred twenty-one".