305030528029 has 4 divisors (see below), whose sum is σ = 322973500284. Its totient is φ = 287087555776.

The previous prime is 305030528027. The next prime is 305030528071. The reversal of 305030528029 is 920825030503.

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 152014212100 + 153016315929 = 389890^2 + 391173^2 .

It is a cyclic number.

It is not a de Polignac number, because 305030528029 - 2¹ = 305030528027 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 (305030528021) 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, 8971486102 + ... + 8971486135.

It is an arithmetic number, because the mean of its divisors is an integer number (80743375071).

Almost surely, 2^305030528029 is an apocalyptic number.

It is an amenable number.

305030528029 is a deficient number, since it is larger than the sum of its proper divisors (17942972255).

305030528029 is a wasteful number, since it uses less digits than its factorization.

305030528029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17942972254.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 305030528029 in words is "three hundred five billion, thirty million, five hundred twenty-eight thousand, twenty-nine".