243201304097 has 2 divisors, whose sum is σ = 243201304098. Its totient is φ = 243201304096.

The previous prime is 243201304081. The next prime is 243201304109. The reversal of 243201304097 is 790403102342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145951505296 + 97249798801 = 382036^2 + 311849^2 .

It is a cyclic number.

It is not a de Polignac number, because 243201304097 - 2⁴ = 243201304081 is a prime.

It is not a weakly prime, because it can be changed into another prime (243201304397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121600652048 + 121600652049.

It is an arithmetic number, because the mean of its divisors is an integer number (121600652049).

Almost surely, 2^243201304097 is an apocalyptic number.

It is an amenable number.

243201304097 is a deficient number, since it is larger than the sum of its proper divisors (1).

243201304097 is an equidigital number, since it uses as much as digits as its factorization.

243201304097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 243201304097 in words is "two hundred forty-three billion, two hundred one million, three hundred four thousand, ninety-seven".