1000485344281 has 2 divisors, whose sum is σ = 1000485344282. Its totient is φ = 1000485344280.

The previous prime is 1000485344231. The next prime is 1000485344363. The reversal of 1000485344281 is 1824435840001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 967980499600 + 32504844681 = 983860^2 + 180291^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000485344281 - 2¹⁷ = 1000485213209 is a prime.

It is a super-2 number, since 2×1000485344281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000485344231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500242672140 + 500242672141.

It is an arithmetic number, because the mean of its divisors is an integer number (500242672141).

Almost surely, 2^{1000485344281} is an apocalyptic number.

It is an amenable number.

1000485344281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000485344281 is an equidigital number, since it uses as much as digits as its factorization.

1000485344281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 1000485344281 in words is "one trillion, four hundred eighty-five million, three hundred forty-four thousand, two hundred eighty-one".