30020605913 has 2 divisors, whose sum is σ = 30020605914. Its totient is φ = 30020605912.

The previous prime is 30020605897. The next prime is 30020605943. The reversal of 30020605913 is 31950602003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29643197584 + 377408329 = 172172^2 + 19427^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020605913 - 2⁴ = 30020605897 is a prime.

It is not a weakly prime, because it can be changed into another prime (30020605943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010302956 + 15010302957.

It is an arithmetic number, because the mean of its divisors is an integer number (15010302957).

Almost surely, 2^30020605913 is an apocalyptic number.

It is an amenable number.

30020605913 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020605913 is an equidigital number, since it uses as much as digits as its factorization.

30020605913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The spelling of 30020605913 in words is "thirty billion, twenty million, six hundred five thousand, nine hundred thirteen".