9074709381989 has 2 divisors, whose sum is σ = 9074709381990. Its totient is φ = 9074709381988.

The previous prime is 9074709381971. The next prime is 9074709382009. The reversal of 9074709381989 is 9891839074709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8325475452100 + 749233929889 = 2885390^2 + 865583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9074709381989 is a prime.

It is a super-2 number, since 2×9074709381989² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9074709381919) 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, 4537354690994 + 4537354690995.

It is an arithmetic number, because the mean of its divisors is an integer number (4537354690995).

Almost surely, 2^{9074709381989} is an apocalyptic number.

It is an amenable number.

9074709381989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9074709381989 is an equidigital number, since it uses as much as digits as its factorization.

9074709381989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246903552, while the sum is 74.

The spelling of 9074709381989 in words is "nine trillion, seventy-four billion, seven hundred nine million, three hundred eighty-one thousand, nine hundred eighty-nine".