449226408613 has 2 divisors, whose sum is σ = 449226408614. Its totient is φ = 449226408612.

The previous prime is 449226408611. The next prime is 449226408641. The reversal of 449226408613 is 316804622944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429992324644 + 19234083969 = 655738^2 + 138687^2 .

It is a cyclic number.

It is not a de Polignac number, because 449226408613 - 2¹ = 449226408611 is a prime.

Together with 449226408611, 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 (449226408611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224613204306 + 224613204307.

It is an arithmetic number, because the mean of its divisors is an integer number (224613204307).

Almost surely, 2^449226408613 is an apocalyptic number.

It is an amenable number.

449226408613 is a deficient number, since it is larger than the sum of its proper divisors (1).

449226408613 is an equidigital number, since it uses as much as digits as its factorization.

449226408613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 449226408613 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, six hundred thirteen".