2826138625 has 16 divisors (see below), whose sum is σ = 3622351824. Its totient is φ = 2199801600.

The previous prime is 2826138619. The next prime is 2826138643. The reversal of 2826138625 is 5268316282.

It can be written as a sum of positive squares in 8 ways, for example, as 1287302641 + 1538835984 = 35879^2 + 39228^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2826138625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300904 + ... + 310153.

It is an arithmetic number, because the mean of its divisors is an integer number (226396989).

Almost surely, 2^2826138625 is an apocalyptic number.

2826138625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2826138625 is a deficient number, since it is larger than the sum of its proper divisors (796213199).

2826138625 is an equidigital number, since it uses as much as digits as its factorization.

2826138625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611109 (or 611099 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 2826138625 is about 53161.4392675744. The cubic root of 2826138625 is about 1413.8320428335.

The spelling of 2826138625 in words is "two billion, eight hundred twenty-six million, one hundred thirty-eight thousand, six hundred twenty-five".