1000850089 has 2 divisors, whose sum is σ = 1000850090. Its totient is φ = 1000850088.

The previous prime is 1000850051. The next prime is 1000850141. The reversal of 1000850089 is 9800580001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 904024489 + 96825600 = 30067^2 + 9840^2 .

It is an emirp because it is prime and its reverse (9800580001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000850089 - 2⁷ = 1000849961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000850089.

It is not a weakly prime, because it can be changed into another prime (1000859089) 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, 500425044 + 500425045.

It is an arithmetic number, because the mean of its divisors is an integer number (500425045).

Almost surely, 2^1000850089 is an apocalyptic number.

It is an amenable number.

1000850089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000850089 is an equidigital number, since it uses as much as digits as its factorization.

1000850089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1000850089 is about 31636.2148336365. The cubic root of 1000850089 is about 1000.2832827433.

The spelling of 1000850089 in words is "one billion, eight hundred fifty thousand, eighty-nine".