1000281182749 has 2 divisors, whose sum is σ = 1000281182750. Its totient is φ = 1000281182748.

The previous prime is 1000281182731. The next prime is 1000281182851. The reversal of 1000281182749 is 9472811820001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849770548900 + 150510633849 = 921830^2 + 387957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000281182749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000281182729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500140591374 + 500140591375.

It is an arithmetic number, because the mean of its divisors is an integer number (500140591375).

Almost surely, 2^{1000281182749} is an apocalyptic number.

It is an amenable number.

1000281182749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000281182749 is an equidigital number, since it uses as much as digits as its factorization.

1000281182749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 1000281182749 in words is "one trillion, two hundred eighty-one million, one hundred eighty-two thousand, seven hundred forty-nine".