97045570071209 has 2 divisors, whose sum is σ = 97045570071210. Its totient is φ = 97045570071208.

The previous prime is 97045570071187. The next prime is 97045570071271. The reversal of 97045570071209 is 90217007554079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87854534955625 + 9191035115584 = 9373075^2 + 3031672^2 .

It is a cyclic number.

It is not a de Polignac number, because 97045570071209 - 2¹⁶ = 97045570005673 is a prime.

It is not a weakly prime, because it can be changed into another prime (97045570071809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48522785035604 + 48522785035605.

It is an arithmetic number, because the mean of its divisors is an integer number (48522785035605).

Almost surely, 2^{97045570071209} is an apocalyptic number.

It is an amenable number.

97045570071209 is a deficient number, since it is larger than the sum of its proper divisors (1).

97045570071209 is an equidigital number, since it uses as much as digits as its factorization.

97045570071209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 97045570071209 in words is "ninety-seven trillion, forty-five billion, five hundred seventy million, seventy-one thousand, two hundred nine".