2826138643 has 2 divisors, whose sum is σ = 2826138644. Its totient is φ = 2826138642.

The previous prime is 2826138619. The next prime is 2826138647. The reversal of 2826138643 is 3468316282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2826138643 - 2⁵ = 2826138611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2826138643.

It is not a weakly prime, because it can be changed into another prime (2826138647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413069321 + 1413069322.

It is an arithmetic number, because the mean of its divisors is an integer number (1413069322).

Almost surely, 2^2826138643 is an apocalyptic number.

2826138643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2826138643 is an equidigital number, since it uses as much as digits as its factorization.

2826138643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 2826138643 is about 53161.4394368700. The cubic root of 2826138643 is about 1413.8320458352.

The spelling of 2826138643 in words is "two billion, eight hundred twenty-six million, one hundred thirty-eight thousand, six hundred forty-three".