229475795649449 has 2 divisors, whose sum is σ = 229475795649450. Its totient is φ = 229475795649448.

The previous prime is 229475795649403. The next prime is 229475795649467. The reversal of 229475795649449 is 944946597574922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200338546810000 + 29137248839449 = 14154100^2 + 5397893^2 .

It is a cyclic number.

It is not a de Polignac number, because 229475795649449 - 2²⁰ = 229475794600873 is a prime.

It is not a weakly prime, because it can be changed into another prime (229475795649349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114737897824724 + 114737897824725.

It is an arithmetic number, because the mean of its divisors is an integer number (114737897824725).

Almost surely, 2^{229475795649449} is an apocalyptic number.

It is an amenable number.

229475795649449 is a deficient number, since it is larger than the sum of its proper divisors (1).

229475795649449 is an equidigital number, since it uses as much as digits as its factorization.

229475795649449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49380710400, while the sum is 86.

The spelling of 229475795649449 in words is "two hundred twenty-nine trillion, four hundred seventy-five billion, seven hundred ninety-five million, six hundred forty-nine thousand, four hundred forty-nine".