243288029651 has 2 divisors, whose sum is σ = 243288029652. Its totient is φ = 243288029650.

The previous prime is 243288029581. The next prime is 243288029681. The reversal of 243288029651 is 156920882342.

243288029651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243288029651 - 2¹⁸ = 243287767507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243288029651.

It is not a weakly prime, because it can be changed into another prime (243288029681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121644014825 + 121644014826.

It is an arithmetic number, because the mean of its divisors is an integer number (121644014826).

Almost surely, 2^243288029651 is an apocalyptic number.

243288029651 is a deficient number, since it is larger than the sum of its proper divisors (1).

243288029651 is an equidigital number, since it uses as much as digits as its factorization.

243288029651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 243288029651 in words is "two hundred forty-three billion, two hundred eighty-eight million, twenty-nine thousand, six hundred fifty-one".