2828733421 has 2 divisors, whose sum is σ = 2828733422. Its totient is φ = 2828733420.

The previous prime is 2828733379. The next prime is 2828733449. The reversal of 2828733421 is 1243378282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2018704900 + 810028521 = 44930^2 + 28461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828733421 - 2⁷ = 2828733293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2828733451) 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, 1414366710 + 1414366711.

It is an arithmetic number, because the mean of its divisors is an integer number (1414366711).

Almost surely, 2^2828733421 is an apocalyptic number.

It is an amenable number.

2828733421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2828733421 is an equidigital number, since it uses as much as digits as its factorization.

2828733421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 2828733421 is about 53185.8385380921. The cubic root of 2828733421 is about 1414.2646099061.

The spelling of 2828733421 in words is "two billion, eight hundred twenty-eight million, seven hundred thirty-three thousand, four hundred twenty-one".