1010000009 has 4 divisors (see below), whose sum is σ = 1025074704. Its totient is φ = 994925316.

The previous prime is 1009999999. The next prime is 1010000011. The reversal of 1010000009 is 9000000101.

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.

It is a cyclic number.

It is not a de Polignac number, because 1010000009 - 2¹⁶ = 1009934473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7537247 + ... + 7537380.

It is an arithmetic number, because the mean of its divisors is an integer number (256268676).

Almost surely, 2^1010000009 is an apocalyptic number.

It is an amenable number.

1010000009 is a deficient number, since it is larger than the sum of its proper divisors (15074695).

1010000009 is an equidigital number, since it uses as much as digits as its factorization.

1010000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15074694.

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

The square root of 1010000009 is about 31780.4973057377. The cubic root of 1010000009 is about 1003.3222865223.

The spelling of 1010000009 in words is "one billion, ten million, nine", and thus it is an aban number and an uban number.