730823612609 has 4 divisors (see below), whose sum is σ = 733735260720. Its totient is φ = 727911964500.

The previous prime is 730823612549. The next prime is 730823612611. The reversal of 730823612609 is 906216328037.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906216328037 = 89 ⋅10182205933.

It is a cyclic number.

It is not a de Polignac number, because 730823612609 - 2¹⁶ = 730823547073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730823612669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455823679 + ... + 1455824180.

It is an arithmetic number, because the mean of its divisors is an integer number (183433815180).

Almost surely, 2^730823612609 is an apocalyptic number.

It is an amenable number.

730823612609 is a deficient number, since it is larger than the sum of its proper divisors (2911648111).

730823612609 is a wasteful number, since it uses less digits than its factorization.

730823612609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911648110.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 730823612609 in words is "seven hundred thirty billion, eight hundred twenty-three million, six hundred twelve thousand, six hundred nine".