447667252746229 has 2 divisors, whose sum is σ = 447667252746230. Its totient is φ = 447667252746228.

The previous prime is 447667252746227. The next prime is 447667252746269. The reversal of 447667252746229 is 922647252766744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442348094677329 + 5319158068900 = 21032073^2 + 2306330^2 .

It is a cyclic number.

It is not a de Polignac number, because 447667252746229 - 2¹ = 447667252746227 is a prime.

It is a super-2 number, since 2×447667252746229² (a number of 30 digits) contains 22 as substring.

Together with 447667252746227, 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 (447667252746227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223833626373114 + 223833626373115.

It is an arithmetic number, because the mean of its divisors is an integer number (223833626373115).

Almost surely, 2^{447667252746229} is an apocalyptic number.

It is an amenable number.

447667252746229 is a deficient number, since it is larger than the sum of its proper divisors (1).

447667252746229 is an equidigital number, since it uses as much as digits as its factorization.

447667252746229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3413975040, while the sum is 73.

The spelling of 447667252746229 in words is "four hundred forty-seven trillion, six hundred sixty-seven billion, two hundred fifty-two million, seven hundred forty-six thousand, two hundred twenty-nine".