10000009999489 has 2 divisors, whose sum is σ = 10000009999490. Its totient is φ = 10000009999488.

The previous prime is 10000009999481. The next prime is 10000009999501. The reversal of 10000009999489 is 98499990000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6814527516225 + 3185482483264 = 2610465^2 + 1784792^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000009999489 - 2³ = 10000009999481 is a prime.

It is a super-2 number, since 2×10000009999489² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10000009999481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000004999744 + 5000004999745.

It is an arithmetic number, because the mean of its divisors is an integer number (5000004999745).

Almost surely, 2^{10000009999489} is an apocalyptic number.

It is an amenable number.

10000009999489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000009999489 is an equidigital number, since it uses as much as digits as its factorization.

10000009999489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1889568, while the sum is 58.

The spelling of 10000009999489 in words is "ten trillion, nine million, nine hundred ninety-nine thousand, four hundred eighty-nine".