306845295884573 has 2 divisors, whose sum is σ = 306845295884574. Its totient is φ = 306845295884572.

The previous prime is 306845295884539. The next prime is 306845295884629. The reversal of 306845295884573 is 375488592548603.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295667921830009 + 11177374054564 = 17194997^2 + 3343258^2 .

It is a cyclic number.

It is not a de Polignac number, because 306845295884573 - 2⁶ = 306845295884509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306845295884494 and 306845295884503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306845295844573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153422647942286 + 153422647942287.

It is an arithmetic number, because the mean of its divisors is an integer number (153422647942287).

Almost surely, 2^{306845295884573} is an apocalyptic number.

It is an amenable number.

306845295884573 is a deficient number, since it is larger than the sum of its proper divisors (1).

306845295884573 is an equidigital number, since it uses as much as digits as its factorization.

306845295884573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296000, while the sum is 77.

The spelling of 306845295884573 in words is "three hundred six trillion, eight hundred forty-five billion, two hundred ninety-five million, eight hundred eighty-four thousand, five hundred seventy-three".