1284578853241 has 2 divisors, whose sum is σ = 1284578853242. Its totient is φ = 1284578853240.

The previous prime is 1284578853221. The next prime is 1284578853317. The reversal of 1284578853241 is 1423588754821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948619508841 + 335959344400 = 973971^2 + 579620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1284578853241 - 2¹⁷ = 1284578722169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1284578853211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642289426620 + 642289426621.

It is an arithmetic number, because the mean of its divisors is an integer number (642289426621).

Almost surely, 2^{1284578853241} is an apocalyptic number.

It is an amenable number.

1284578853241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284578853241 is an equidigital number, since it uses as much as digits as its factorization.

1284578853241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17203200, while the sum is 58.

The spelling of 1284578853241 in words is "one trillion, two hundred eighty-four billion, five hundred seventy-eight million, eight hundred fifty-three thousand, two hundred forty-one".