305012045269 has 2 divisors, whose sum is σ = 305012045270. Its totient is φ = 305012045268.

The previous prime is 305012045189. The next prime is 305012045281. The reversal of 305012045269 is 962540210503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282710207025 + 22301838244 = 531705^2 + 149338^2 .

It is a cyclic number.

It is not a de Polignac number, because 305012045269 - 2¹¹ = 305012043221 is a prime.

It is a super-2 number, since 2×305012045269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305012045369) 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 as a sum of consecutive naturals, namely, 152506022634 + 152506022635.

It is an arithmetic number, because the mean of its divisors is an integer number (152506022635).

Almost surely, 2^305012045269 is an apocalyptic number.

It is an amenable number.

305012045269 is a deficient number, since it is larger than the sum of its proper divisors (1).

305012045269 is an equidigital number, since it uses as much as digits as its factorization.

305012045269 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 305012045269 in words is "three hundred five billion, twelve million, forty-five thousand, two hundred sixty-nine".