30682724209 has 2 divisors, whose sum is σ = 30682724210. Its totient is φ = 30682724208.

The previous prime is 30682724183. The next prime is 30682724299. The reversal of 30682724209 is 90242728603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29052179809 + 1630544400 = 170447^2 + 40380^2 .

It is a cyclic number.

It is not a de Polignac number, because 30682724209 - 2¹⁵ = 30682691441 is a prime.

It is not a weakly prime, because it can be changed into another prime (30682724299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15341362104 + 15341362105.

It is an arithmetic number, because the mean of its divisors is an integer number (15341362105).

Almost surely, 2^30682724209 is an apocalyptic number.

It is an amenable number.

30682724209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30682724209 is an equidigital number, since it uses as much as digits as its factorization.

30682724209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 30682724209 in words is "thirty billion, six hundred eighty-two million, seven hundred twenty-four thousand, two hundred nine".