283840741321 has 2 divisors, whose sum is σ = 283840741322. Its totient is φ = 283840741320.

The previous prime is 283840741313. The next prime is 283840741343. The reversal of 283840741321 is 123147048382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279211844025 + 4628897296 = 528405^2 + 68036^2 .

It is a cyclic number.

It is not a de Polignac number, because 283840741321 - 2³ = 283840741313 is a prime.

It is not a weakly prime, because it can be changed into another prime (283840741361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141920370660 + 141920370661.

It is an arithmetic number, because the mean of its divisors is an integer number (141920370661).

Almost surely, 2^283840741321 is an apocalyptic number.

It is an amenable number.

283840741321 is a deficient number, since it is larger than the sum of its proper divisors (1).

283840741321 is an equidigital number, since it uses as much as digits as its factorization.

283840741321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 283840741321 in words is "two hundred eighty-three billion, eight hundred forty million, seven hundred forty-one thousand, three hundred twenty-one".