1000094002209 has 9 divisors (see below), whose sum is σ = 1444584558963. Its totient is φ = 666727334712.

The previous prime is 1000094002123. The next prime is 1000094002213. The reversal of 1000094002209 is 9022004900001.

The square root of 1000094002209 is 1000047.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 371974350609 + 628119651600 = 609897^2 + 792540^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1000094002209 - 2³⁷ = 862655048737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000094002289) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2833467 + ... + 3166815.

Almost surely, 2^{1000094002209} is an apocalyptic number.

1000094002209 is the 1000047-th square number.

1000094002209 is the 500024-th centered octagonal number.

It is an amenable number.

1000094002209 is a deficient number, since it is larger than the sum of its proper divisors (444490556754).

1000094002209 is an frugal number, since it uses more digits than its factorization.

1000094002209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666704 (or 333352 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 1000094002209 in words is "one trillion, ninety-four million, two thousand, two hundred nine".