730500009109 has 12 divisors (see below), whose sum is σ = 791047763076. Its totient is φ = 674279603712.

The previous prime is 730500009101. The next prime is 730500009179. The reversal of 730500009109 is 901900005037.

It can be written as a sum of positive squares in 6 ways, for example, as 19139339025 + 711360670084 = 138345^2 + 843422^2 .

It is not a de Polignac number, because 730500009109 - 2³ = 730500009101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730500009101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4742899 + ... + 4894495.

It is an arithmetic number, because the mean of its divisors is an integer number (65920646923).

Almost surely, 2^730500009109 is an apocalyptic number.

It is an amenable number.

730500009109 is a deficient number, since it is larger than the sum of its proper divisors (60547753967).

730500009109 is a wasteful number, since it uses less digits than its factorization.

730500009109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180136 (or 180123 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 34.

The spelling of 730500009109 in words is "seven hundred thirty billion, five hundred million, nine thousand, one hundred nine".