1000010009 has 4 divisors (see below), whose sum is σ = 1001138304. Its totient is φ = 998881716.

The previous prime is 1000009999. The next prime is 1000010029. The reversal of 1000010009 is 9000100001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9000100001 = 101 ⋅89109901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000010009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000010029) 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 3 ways as a sum of consecutive naturals, for example, 562817 + ... + 564590.

It is an arithmetic number, because the mean of its divisors is an integer number (250284576).

Almost surely, 2^1000010009 is an apocalyptic number.

It is an amenable number.

1000010009 is a deficient number, since it is larger than the sum of its proper divisors (1128295).

1000010009 is an equidigital number, since it uses as much as digits as its factorization.

1000010009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128294.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1000010009 is about 31622.9348574733. The cubic root of 1000010009 is about 1000.0033363222.

The spelling of 1000010009 in words is "one billion, ten thousand, nine".