1010000999489 has 2 divisors, whose sum is σ = 1010000999490. Its totient is φ = 1010000999488.

The previous prime is 1010000999437. The next prime is 1010000999521. The reversal of 1010000999489 is 9849990000101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802443307264 + 207557692225 = 895792^2 + 455585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010000999489 is a prime.

It is a super-2 number, since 2×1010000999489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1010000999429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000499744 + 505000499745.

It is an arithmetic number, because the mean of its divisors is an integer number (505000499745).

Almost surely, 2^{1010000999489} is an apocalyptic number.

It is an amenable number.

1010000999489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010000999489 is an equidigital number, since it uses as much as digits as its factorization.

1010000999489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 50.

The spelling of 1010000999489 in words is "one trillion, ten billion, nine hundred ninety-nine thousand, four hundred eighty-nine".