4281851404121 has 2 divisors, whose sum is σ = 4281851404122. Its totient is φ = 4281851404120.

The previous prime is 4281851404079. The next prime is 4281851404139. The reversal of 4281851404121 is 1214041581824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3761737830400 + 520113573721 = 1939520^2 + 721189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4281851404121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4281811404121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2140925702060 + 2140925702061.

It is an arithmetic number, because the mean of its divisors is an integer number (2140925702061).

Almost surely, 2^{4281851404121} is an apocalyptic number.

It is an amenable number.

4281851404121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4281851404121 is an equidigital number, since it uses as much as digits as its factorization.

4281851404121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81920, while the sum is 41.

Adding to 4281851404121 its reverse (1214041581824), we get a palindrome (5495892985945).

The spelling of 4281851404121 in words is "four trillion, two hundred eighty-one billion, eight hundred fifty-one million, four hundred four thousand, one hundred twenty-one".