1004098190209 has 9 divisors (see below), whose sum is σ = 1020890809731. Its totient is φ = 987577441320.

The previous prime is 1004098190203. The next prime is 1004098190213. The reversal of 1004098190209 is 9020918904001.

It is a happy number.

The square root of 1004098190209 is 1002047.

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., 32651405809 + 971446784400 = 180697^2 + 985620^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1004098190209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004098190203) 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, 61116654 + ... + 61133080.

Almost surely, 2^{1004098190209} is an apocalyptic number.

1004098190209 is the 1002047-th square number.

1004098190209 is the 501024-th centered octagonal number.

It is an amenable number.

1004098190209 is a deficient number, since it is larger than the sum of its proper divisors (16792619522).

1004098190209 is an frugal number, since it uses more digits than its factorization.

1004098190209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32976 (or 16488 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 1004098190209 in words is "one trillion, four billion, ninety-eight million, one hundred ninety thousand, two hundred nine".