243201150497 has 2 divisors, whose sum is σ = 243201150498. Its totient is φ = 243201150496.

The previous prime is 243201150433. The next prime is 243201150499. The reversal of 243201150497 is 794051102342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191689854976 + 51511295521 = 437824^2 + 226961^2 .

It is a cyclic number.

It is not a de Polignac number, because 243201150497 - 2⁶ = 243201150433 is a prime.

Together with 243201150499, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243201150497.

It is not a weakly prime, because it can be changed into another prime (243201150499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121600575248 + 121600575249.

It is an arithmetic number, because the mean of its divisors is an integer number (121600575249).

Almost surely, 2^243201150497 is an apocalyptic number.

It is an amenable number.

243201150497 is a deficient number, since it is larger than the sum of its proper divisors (1).

243201150497 is an equidigital number, since it uses as much as digits as its factorization.

243201150497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 243201150497 in words is "two hundred forty-three billion, two hundred one million, one hundred fifty thousand, four hundred ninety-seven".