1009450085 has 16 divisors (see below), whose sum is σ = 1384926336. Its totient is φ = 691925568.

The previous prime is 1009450081. The next prime is 1009450087. The reversal of 1009450085 is 5800549001.

It is a cyclic number.

It is not a de Polignac number, because 1009450085 - 2² = 1009450081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009450081) 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 in 15 ways as a sum of consecutive naturals, for example, 136862 + ... + 144048.

It is an arithmetic number, because the mean of its divisors is an integer number (86557896).

Almost surely, 2^1009450085 is an apocalyptic number.

It is an amenable number.

1009450085 is a deficient number, since it is larger than the sum of its proper divisors (375476251).

1009450085 is an equidigital number, since it uses as much as digits as its factorization.

1009450085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1009450085 is about 31771.8442177976. The cubic root of 1009450085 is about 1003.1401574234.

Adding to 1009450085 its reverse (5800549001), we get a palindrome (6809999086).

The spelling of 1009450085 in words is "one billion, nine million, four hundred fifty thousand, eighty-five".