227429643913 has 2 divisors, whose sum is σ = 227429643914. Its totient is φ = 227429643912.

The previous prime is 227429643911. The next prime is 227429644003. The reversal of 227429643913 is 319346924722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226616937849 + 812706064 = 476043^2 + 28508^2 .

It is a cyclic number.

It is not a de Polignac number, because 227429643913 - 2¹ = 227429643911 is a prime.

Together with 227429643911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (227429643911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113714821956 + 113714821957.

It is an arithmetic number, because the mean of its divisors is an integer number (113714821957).

Almost surely, 2^227429643913 is an apocalyptic number.

It is an amenable number.

227429643913 is a deficient number, since it is larger than the sum of its proper divisors (1).

227429643913 is an equidigital number, since it uses as much as digits as its factorization.

227429643913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 52.

The spelling of 227429643913 in words is "two hundred twenty-seven billion, four hundred twenty-nine million, six hundred forty-three thousand, nine hundred thirteen".