2838721133 has 2 divisors, whose sum is σ = 2838721134. Its totient is φ = 2838721132.

The previous prime is 2838721129. The next prime is 2838721213. The reversal of 2838721133 is 3311278382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1904624164 + 934096969 = 43642^2 + 30563^2 .

It is a cyclic number.

It is not a de Polignac number, because 2838721133 - 2² = 2838721129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2838711133) 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 as a sum of consecutive naturals, namely, 1419360566 + 1419360567.

It is an arithmetic number, because the mean of its divisors is an integer number (1419360567).

Almost surely, 2^2838721133 is an apocalyptic number.

It is an amenable number.

2838721133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838721133 is an equidigital number, since it uses as much as digits as its factorization.

2838721133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 2838721133 is about 53279.6502709993. The cubic root of 2838721133 is about 1415.9271532329.

The spelling of 2838721133 in words is "two billion, eight hundred thirty-eight million, seven hundred twenty-one thousand, one hundred thirty-three".