1003709433609 has 15 divisors (see below), whose sum is σ = 1499381882647. Its totient is φ = 669133611288.

The previous prime is 1003709433607. The next prime is 1003709433611. The reversal of 1003709433609 is 9063349073001.

It is a happy number.

The square root of 1003709433609 is 1001853.

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

1003709433609 is a `hidden beast` number, since 1 + 0 + 0 + 3 + 7 + 0 + 9 + 4 + 33 + 609 = 666.

It is an interprime number because it is at equal distance from previous prime (1003709433607) and next prime (1003709433611).

It can be written as a sum of positive squares in only one way, i.e., 830130543225 + 173578890384 = 911115^2 + 416628^2 .

It is not a de Polignac number, because 1003709433609 - 2¹ = 1003709433607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003709433607) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8961019 + ... + 9072335.

Almost surely, 2^{1003709433609} is an apocalyptic number.

1003709433609 is the 1001853-rd square number.

1003709433609 is the 500927-th centered octagonal number.

It is an amenable number.

1003709433609 is a deficient number, since it is larger than the sum of its proper divisors (495672449038).

1003709433609 is an frugal number, since it uses more digits than its factorization.

1003709433609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222646 (or 111320 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 1003709433609 in words is "one trillion, three billion, seven hundred nine million, four hundred thirty-three thousand, six hundred nine".