2798248869 has 16 divisors (see below), whose sum is σ = 4464443200. Its totient is φ = 1721999088.

The previous prime is 2798248853. The next prime is 2798248891. The reversal of 2798248869 is 9688428972.

2798248869 is a `hidden beast` number, since 2 + 7 + 98 + 2 + 488 + 69 = 666.

It is not a de Polignac number, because 2798248869 - 2⁴ = 2798248853 is a prime.

It is a super-2 number, since 2×2798248869² = 15660393465719558322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798248069) 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, 3985759 + ... + 3986460.

It is an arithmetic number, because the mean of its divisors is an integer number (279027700).

Almost surely, 2^2798248869 is an apocalyptic number.

It is an amenable number.

2798248869 is a deficient number, since it is larger than the sum of its proper divisors (1666194331).

2798248869 is a wasteful number, since it uses less digits than its factorization.

2798248869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972241 (or 7972235 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 2798248869 is about 52898.4770007606. The cubic root of 2798248869 is about 1409.1658579173.

The spelling of 2798248869 in words is "two billion, seven hundred ninety-eight million, two hundred forty-eight thousand, eight hundred sixty-nine".