1000001010009 has 16 divisors (see below), whose sum is σ = 1391357140992. Its totient is φ = 637658250768.

The previous prime is 1000001009983. The next prime is 1000001010013. The reversal of 1000001010009 is 9000101000001.

It is not a de Polignac number, because 1000001010009 - 2¹⁷ = 1000000878937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000001009976 and 1000001010003.

It is not an unprimeable number, because it can be changed into a prime (1000001010209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720264 + ... + 2226950.

It is an arithmetic number, because the mean of its divisors is an integer number (86959821312).

Almost surely, 2^{1000001010009} is an apocalyptic number.

It is an amenable number.

1000001010009 is a deficient number, since it is larger than the sum of its proper divisors (391356130983).

1000001010009 is a wasteful number, since it uses less digits than its factorization.

1000001010009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535316.

The product of its (nonzero) digits is 9, while the sum is 12.

The spelling of 1000001010009 in words is "one trillion, one million, ten thousand, nine".