30836413609 has 9 divisors (see below), whose sum is σ = 31614246679. Its totient is φ = 30077281840.

The previous prime is 30836413591. The next prime is 30836413633. The reversal of 30836413609 is 90631463803.

The square root of 30836413609 is 175603.

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., 1485871209 + 29350542400 = 38547^2 + 171320^2 .

It is not a de Polignac number, because 30836413609 - 2²³ = 30828025001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30836413669) 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, 7197582 + ... + 7201864.

Almost surely, 2^30836413609 is an apocalyptic number.

30836413609 is the 175603-rd square number.

30836413609 is the 87802-nd centered octagonal number.

It is an amenable number.

30836413609 is a deficient number, since it is larger than the sum of its proper divisors (777833070).

30836413609 is an frugal number, since it uses more digits than its factorization.

30836413609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 30836413609 in words is "thirty billion, eight hundred thirty-six million, four hundred thirteen thousand, six hundred nine".