305064100189 has 2 divisors, whose sum is σ = 305064100190. Its totient is φ = 305064100188.

The previous prime is 305064100181. The next prime is 305064100219. The reversal of 305064100189 is 981001460503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235960834564 + 69103265625 = 485758^2 + 262875^2 .

It is a cyclic number.

It is not a de Polignac number, because 305064100189 - 2³ = 305064100181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305064100181) 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, 152532050094 + 152532050095.

It is an arithmetic number, because the mean of its divisors is an integer number (152532050095).

Almost surely, 2^305064100189 is an apocalyptic number.

It is an amenable number.

305064100189 is a deficient number, since it is larger than the sum of its proper divisors (1).

305064100189 is an equidigital number, since it uses as much as digits as its factorization.

305064100189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 305064100189 in words is "three hundred five billion, sixty-four million, one hundred thousand, one hundred eighty-nine".