102000000009 has 8 divisors (see below), whose sum is σ = 139675675840. Its totient is φ = 66162162096.

The previous prime is 101999999987. The next prime is 102000000041. The reversal of 102000000009 is 900000000201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102000000009 - 2²¹ = 101997902857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101999999940 and 102000000003.

It is not an unprimeable number, because it can be changed into a prime (102000001009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459459349 + ... + 459459570.

It is an arithmetic number, because the mean of its divisors is an integer number (17459459480).

Almost surely, 2^102000000009 is an apocalyptic number.

It is an amenable number.

102000000009 is a deficient number, since it is larger than the sum of its proper divisors (37675675831).

102000000009 is an equidigital number, since it uses as much as digits as its factorization.

102000000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918918959.

The product of its (nonzero) digits is 18, while the sum is 12.

The spelling of 102000000009 in words is "one hundred two billion, nine", and thus it is an aban number.