30508930729 has 4 divisors (see below), whose sum is σ = 30517177860. Its totient is φ = 30500683600.

The previous prime is 30508930709. The next prime is 30508930811. The reversal of 30508930729 is 92703980503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18232290729 + 12276640000 = 135027^2 + 110800^2 .

It is a cyclic number.

It is not a de Polignac number, because 30508930729 - 2²⁵ = 30475376297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30508930709) 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 in 3 ways as a sum of consecutive naturals, for example, 4118014 + ... + 4125415.

It is an arithmetic number, because the mean of its divisors is an integer number (7629294465).

Almost surely, 2^30508930729 is an apocalyptic number.

It is an amenable number.

30508930729 is a deficient number, since it is larger than the sum of its proper divisors (8247131).

30508930729 is an equidigital number, since it uses as much as digits as its factorization.

30508930729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247130.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 30508930729 in words is "thirty billion, five hundred eight million, nine hundred thirty thousand, seven hundred twenty-nine".