288400242089 has 2 divisors, whose sum is σ = 288400242090. Its totient is φ = 288400242088.

The previous prime is 288400242077. The next prime is 288400242113. The reversal of 288400242089 is 980242004882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273599086489 + 14801155600 = 523067^2 + 121660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288400242089 is a prime.

It is not a weakly prime, because it can be changed into another prime (288400242589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144200121044 + 144200121045.

It is an arithmetic number, because the mean of its divisors is an integer number (144200121045).

Almost surely, 2^288400242089 is an apocalyptic number.

It is an amenable number.

288400242089 is a deficient number, since it is larger than the sum of its proper divisors (1).

288400242089 is an equidigital number, since it uses as much as digits as its factorization.

288400242089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 47.

The spelling of 288400242089 in words is "two hundred eighty-eight billion, four hundred million, two hundred forty-two thousand, eighty-nine".