240563628497 has 2 divisors, whose sum is σ = 240563628498. Its totient is φ = 240563628496.

The previous prime is 240563628469. The next prime is 240563628517. The reversal of 240563628497 is 794826365042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204933668416 + 35629960081 = 452696^2 + 188759^2 .

It is a cyclic number.

It is not a de Polignac number, because 240563628497 - 2⁶ = 240563628433 is a prime.

It is not a weakly prime, because it can be changed into another prime (240563628797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120281814248 + 120281814249.

It is an arithmetic number, because the mean of its divisors is an integer number (120281814249).

Almost surely, 2^240563628497 is an apocalyptic number.

It is an amenable number.

240563628497 is a deficient number, since it is larger than the sum of its proper divisors (1).

240563628497 is an equidigital number, since it uses as much as digits as its factorization.

240563628497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 240563628497 in words is "two hundred forty billion, five hundred sixty-three million, six hundred twenty-eight thousand, four hundred ninety-seven".