229449154213 has 2 divisors, whose sum is σ = 229449154214. Its totient is φ = 229449154212.

The previous prime is 229449154211. The next prime is 229449154223. The reversal of 229449154213 is 312451944922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177326894404 + 52122259809 = 421102^2 + 228303^2 .

It is a cyclic number.

It is not a de Polignac number, because 229449154213 - 2¹ = 229449154211 is a prime.

It is a super-2 number, since 2×229449154213² (a number of 24 digits) contains 22 as substring.

Together with 229449154211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229449154211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114724577106 + 114724577107.

It is an arithmetic number, because the mean of its divisors is an integer number (114724577107).

Almost surely, 2^229449154213 is an apocalyptic number.

It is an amenable number.

229449154213 is a deficient number, since it is larger than the sum of its proper divisors (1).

229449154213 is an equidigital number, since it uses as much as digits as its factorization.

229449154213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The spelling of 229449154213 in words is "two hundred twenty-nine billion, four hundred forty-nine million, one hundred fifty-four thousand, two hundred thirteen".