229281260647 has 2 divisors, whose sum is σ = 229281260648. Its totient is φ = 229281260646.

The previous prime is 229281260627. The next prime is 229281260683. The reversal of 229281260647 is 746062182922.

229281260647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229281260647 - 2⁷ = 229281260519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229281260647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229281260617) 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, 114640630323 + 114640630324.

It is an arithmetic number, because the mean of its divisors is an integer number (114640630324).

Almost surely, 2^229281260647 is an apocalyptic number.

229281260647 is a deficient number, since it is larger than the sum of its proper divisors (1).

229281260647 is an equidigital number, since it uses as much as digits as its factorization.

229281260647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 229281260647 in words is "two hundred twenty-nine billion, two hundred eighty-one million, two hundred sixty thousand, six hundred forty-seven".